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href="#Relationship_with_the_nautical_mile"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>Relationship with the nautical mile</span> </div> </a> <ul id="toc-Relationship_with_the_nautical_mile-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Use" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Use"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>Use</span> </div> </a> <ul id="toc-Use-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-See_also" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#See_also"> <div class="vector-toc-text"> <span class="vector-toc-numb">4</span> <span>See also</span> </div> </a> <ul id="toc-See_also-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-References" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#References"> <div class="vector-toc-text"> <span class="vector-toc-numb">5</span> <span>References</span> </div> </a> <ul id="toc-References-sublist" class="vector-toc-list"> </ul> </li> </ul> </div> </div> </nav> </div> </div> <div class="mw-content-container"> <main id="content" class="mw-body"> <header class="mw-body-header vector-page-titlebar"> <nav aria-label="Contents" class="vector-toc-landmark"> <div id="vector-page-titlebar-toc" class="vector-dropdown vector-page-titlebar-toc vector-button-flush-left" > <input type="checkbox" id="vector-page-titlebar-toc-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-titlebar-toc" class="vector-dropdown-checkbox " aria-label="Toggle the table of contents" > <label id="vector-page-titlebar-toc-label" for="vector-page-titlebar-toc-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet 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mw-list-item"><a href="https://ms.wikipedia.org/wiki/Batu_geografi" title="Batu geografi – Malay" lang="ms" hreflang="ms" data-title="Batu geografi" data-language-autonym="Bahasa Melayu" data-language-local-name="Malay" class="interlanguage-link-target"><span>Bahasa Melayu</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/%E5%9C%B0%E7%90%86%E3%83%9E%E3%82%A4%E3%83%AB" title="地理マイル – Japanese" lang="ja" hreflang="ja" data-title="地理マイル" data-language-autonym="日本語" data-language-local-name="Japanese" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-nn mw-list-item"><a href="https://nn.wikipedia.org/wiki/Geographical_mile" title="Geographical mile – Norwegian Nynorsk" lang="nn" hreflang="nn" data-title="Geographical mile" data-language-autonym="Norsk nynorsk" data-language-local-name="Norwegian Nynorsk" class="interlanguage-link-target"><span>Norsk nynorsk</span></a></li><li class="interlanguage-link interwiki-ro mw-list-item"><a href="https://ro.wikipedia.org/wiki/Mil%C4%83_geografic%C4%83" title="Milă geografică – Romanian" lang="ro" hreflang="ro" data-title="Milă geografică" data-language-autonym="Română" data-language-local-name="Romanian" class="interlanguage-link-target"><span>Română</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/%D0%93%D0%B5%D0%BE%D0%B3%D1%80%D0%B0%D1%84%D0%B8%D1%87%D0%B5%D1%81%D0%BA%D0%B0%D1%8F_%D0%BC%D0%B8%D0%BB%D1%8F" title="Географическая миля – Russian" lang="ru" hreflang="ru" data-title="Географическая миля" data-language-autonym="Русский" data-language-local-name="Russian" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-sl mw-list-item"><a href="https://sl.wikipedia.org/wiki/Geografska_milja" title="Geografska milja – Slovenian" lang="sl" hreflang="sl" data-title="Geografska milja" data-language-autonym="Slovenščina" data-language-local-name="Slovenian" class="interlanguage-link-target"><span>Slovenščina</span></a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/%D0%93%D0%B5%D0%BE%D0%B3%D1%80%D0%B0%D1%84%D1%96%D1%87%D0%BD%D0%B0_%D0%BC%D0%B8%D0%BB%D1%8F" title="Географічна миля – Ukrainian" lang="uk" hreflang="uk" data-title="Географічна миля" data-language-autonym="Українська" data-language-local-name="Ukrainian" class="interlanguage-link-target"><span>Українська</span></a></li><li class="interlanguage-link interwiki-vi mw-list-item"><a href="https://vi.wikipedia.org/wiki/D%E1%BA%B7m_%C4%91%E1%BB%8Ba_l%C3%BD" title="Dặm địa lý – Vietnamese" lang="vi" hreflang="vi" data-title="Dặm địa lý" data-language-autonym="Tiếng Việt" data-language-local-name="Vietnamese" class="interlanguage-link-target"><span>Tiếng Việt</span></a></li> </ul> <div class="after-portlet after-portlet-lang"><span class="wb-langlinks-edit 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searchaux" style="display:none">Unit of length of approximately 1855.3 m</div> <style data-mw-deduplicate="TemplateStyles:r1257001546">.mw-parser-output .infobox-subbox{padding:0;border:none;margin:-3px;width:auto;min-width:100%;font-size:100%;clear:none;float:none;background-color:transparent}.mw-parser-output .infobox-3cols-child{margin:auto}.mw-parser-output .infobox .navbar{font-size:100%}@media screen{html.skin-theme-clientpref-night .mw-parser-output .infobox-full-data:not(.notheme)>div:not(.notheme)[style]{background:#1f1f23!important;color:#f8f9fa}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .infobox-full-data:not(.notheme) div:not(.notheme){background:#1f1f23!important;color:#f8f9fa}}@media(min-width:640px){body.skin--responsive .mw-parser-output .infobox-table{display:table!important}body.skin--responsive .mw-parser-output .infobox-table>caption{display:table-caption!important}body.skin--responsive .mw-parser-output .infobox-table>tbody{display:table-row-group}body.skin--responsive .mw-parser-output .infobox-table tr{display:table-row!important}body.skin--responsive .mw-parser-output .infobox-table th,body.skin--responsive .mw-parser-output .infobox-table td{padding-left:inherit;padding-right:inherit}}</style><table class="infobox ib-unit"><tbody><tr><th colspan="2" class="infobox-above">Geographical mile</th></tr><tr><th colspan="2" class="infobox-header">Conversions </th></tr><tr class="nowrap"><td>1 geographical mile <i>in ...</i></td><td><i>... is equal to ...</i></td></tr><tr style="display:none"><th colspan="2"> </th></tr><tr><th scope="row" class="infobox-label"><span class="nowrap">   </span><a href="/wiki/SI_units" class="mw-redirect" title="SI units">SI units</a></th><td class="infobox-data"><span class="nowrap">   </span>~1,855.3 <a href="/wiki/Metre" title="Metre">m</a></td></tr><tr><th scope="row" class="infobox-label"><span class="nowrap">   </span><a href="/wiki/Imperial_units" title="Imperial units">imperial</a>/<a href="/wiki/US_customary_units" class="mw-redirect" title="US customary units">US</a> units</th><td class="infobox-data"><span class="nowrap">   </span>~1.1528 <a href="/wiki/Mile" title="Mile">mi</a> or ~6,087 <a href="/wiki/Foot_(unit)" title="Foot (unit)">ft</a></td></tr></tbody></table><style data-mw-deduplicate="TemplateStyles:r1236303919">@media screen{html.skin-theme-clientpref-night .mw-parser-output .infobox-has-images-with-white-backgrounds img{background:white}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .infobox-has-images-with-white-backgrounds img{background:white}}</style> <p>The <b>geographical mile</b> is an international unit of length determined by 1 <a href="/wiki/Minute_of_arc" class="mw-redirect" title="Minute of arc">minute of arc</a> (<style data-mw-deduplicate="TemplateStyles:r1214402035">.mw-parser-output .sfrac{white-space:nowrap}.mw-parser-output .sfrac.tion,.mw-parser-output .sfrac .tion{display:inline-block;vertical-align:-0.5em;font-size:85%;text-align:center}.mw-parser-output .sfrac .num{display:block;line-height:1em;margin:0.0em 0.1em;border-bottom:1px solid}.mw-parser-output .sfrac .den{display:block;line-height:1em;margin:0.1em 0.1em}.mw-parser-output .sr-only{border:0;clip:rect(0,0,0,0);clip-path:polygon(0px 0px,0px 0px,0px 0px);height:1px;margin:-1px;overflow:hidden;padding:0;position:absolute;width:1px}</style><span class="sfrac">⁠<span class="tion"><span class="num">1</span><span class="sr-only">/</span><span class="den">60</span></span>⁠</span> <a href="/wiki/Degree_(angle)" title="Degree (angle)">degree</a>) along the <a href="/wiki/Earth" title="Earth">Earth</a>'s <a href="/wiki/Equator" title="Equator">equator</a>. For the <a href="/wiki/Hayford_ellipsoid" title="Hayford ellipsoid">international ellipsoid 1924</a> this equalled 1855.4 <a href="/wiki/Metre" title="Metre">metres</a>.<sup id="cite_ref-Admiralty_1-0" class="reference"><a href="#cite_note-Admiralty-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> <i><a href="/wiki/The_American_Practical_Navigator" class="mw-redirect" title="The American Practical Navigator">The American Practical Navigator</a></i> 2017 defines the geographical mile as 6,087.08 feet (1,855.342 m).<sup id="cite_ref-Bowditch_2-0" class="reference"><a href="#cite_note-Bowditch-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> Greater precision depends more on the choice of the <a href="/wiki/Earth%27s_radius" class="mw-redirect" title="Earth's radius">Earth's radius</a> of the used <a href="/wiki/Earth_ellipsoid" title="Earth ellipsoid">ellipsoid</a> than on more careful measurement, since the radius of the <a href="/wiki/Geoid" title="Geoid">geoid</a> varies more than 100 metres (328.084 ft) along the equator. In any ellipsoid, the <a href="/wiki/Length_of_a_degree_of_longitude" class="mw-redirect" title="Length of a degree of longitude">length of a degree of longitude</a> at the equator is exactly 60 geographical miles. The Earth's radius at the <a href="/wiki/Equator" title="Equator">equator</a> in the <a href="/wiki/Geodetic_Reference_System_1980" title="Geodetic Reference System 1980">GRS80</a> ellipsoid is <span class="nowrap"><span data-sort-value="7006637813700000000♠"></span>6,378,137.0000 m</span>,<sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> which makes the geographical mile 1,855.3248 m. The rounding of the Earth's radius to metres in GRS80 has an effect of 0.0001 m. </p><p>The <a href="/wiki/Shape_of_the_Earth" class="mw-redirect" title="Shape of the Earth">shape of the Earth</a> is a slightly flattened sphere, which results in the <a href="/wiki/Earth%27s_circumference" title="Earth's circumference">Earth's circumference</a> being 0.168% larger when measured around the equator as compared to through the poles. The geographical mile is slightly larger than the <a href="/wiki/Nautical_mile" title="Nautical mile">nautical mile</a> (which was historically linked to the circumference measured through both poles); one geographic mile is equivalent to approximately 1.00178 nautical miles. </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Historical_units">Historical units</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Geographical_mile&action=edit&section=1" title="Edit section: Historical units"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Historically, certain nations used slightly different divisions to create their geographical miles. </p><p>The <a href="/wiki/Portuguese_units_of_measurement" title="Portuguese units of measurement">Portuguese system</a> derived their miles (<span title="Portuguese-language text"><i lang="pt">milha geográfica</i></span>) as one third of <a href="/wiki/Portuguese_league" class="mw-redirect" title="Portuguese league">their league</a> of three separate values. When each equatorial degree was divided into 18 leagues, the geographical mile was equal to <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1214402035"><span class="sfrac">⁠<span class="tion"><span class="num">1</span><span class="sr-only">/</span><span class="den">54</span></span>⁠</span> degree or about 2.06 kilometres (1.28 mi); when divided into 20 leagues, the geographical mile was equal to <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1214402035"><span class="sfrac">⁠<span class="tion"><span class="num">1</span><span class="sr-only">/</span><span class="den">60</span></span>⁠</span> degree, approximating the values provided above; and when divided into 25 leagues, the geographical mile was equal to <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1214402035"><span class="sfrac">⁠<span class="tion"><span class="num">1</span><span class="sr-only">/</span><span class="den">75</span></span>⁠</span> degree or about 1.48 kilometres (0.92 mi). </p><p>The geographical miles of the traditional <a href="/wiki/Dutch_units_of_measurement" title="Dutch units of measurement">Dutch</a> (<span title="Dutch-language text"><i lang="nl">geografische mijl</i></span>), <a href="/wiki/German_units_of_measurement" title="German units of measurement">German</a> (<span title="German-language text"><i lang="de">geographische Meile</i></span> or <span title="German-language text"><i lang="de">Landmeile</i></span>), and <a href="/wiki/Danish_units_of_measurement" title="Danish units of measurement">Danish systems</a> (<span title="Danish-language text"><i lang="da">geografisk mil</i></span>) all approximated their much longer miles—equivalent to English leagues—by using a larger division of the equatorial degree. Instead of using one minute of arc, they all used four—<link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1214402035"><span class="sfrac">⁠<span class="tion"><span class="num">1</span><span class="sr-only">/</span><span class="den">15</span></span>⁠</span> degree—to produce a distance now notionally equal to 7,408 metres (24,304 ft) but actually differing slightly depending on official measurements and computations. (For example, the Danish unit was computed as equivalent to about 7,421.5 metres (24,349 ft) by the astronomer <a href="/wiki/Ole_R%C3%B8mer" title="Ole Rømer">Ole Rømer</a>.)<sup id="cite_ref-4" class="reference"><a href="#cite_note-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Relationship_with_the_nautical_mile">Relationship with the nautical mile</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Geographical_mile&action=edit&section=2" title="Edit section: Relationship with the nautical mile"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1236090951">.mw-parser-output .hatnote{font-style:italic}.mw-parser-output div.hatnote{padding-left:1.6em;margin-bottom:0.5em}.mw-parser-output .hatnote i{font-style:normal}.mw-parser-output .hatnote+link+.hatnote{margin-top:-0.5em}@media print{body.ns-0 .mw-parser-output .hatnote{display:none!important}}</style><div role="note" class="hatnote navigation-not-searchable">Main article: <a href="/wiki/Nautical_mile" title="Nautical mile">Nautical mile</a></div> <p>The geographical mile is closely related to the <a href="/wiki/Nautical_mile" title="Nautical mile">nautical mile</a>, which was originally determined as 1 minute of arc along a <a href="/wiki/Great_circle" title="Great circle">great circle</a> of the Earth<sup id="cite_ref-5" class="reference"><a href="#cite_note-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> but is nowadays defined by treaty as exactly 1,852 m.<sup id="cite_ref-Admiralty_1-1" class="reference"><a href="#cite_note-Admiralty-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> The US <a href="/wiki/National_Institute_of_Standards_and_Technology" title="National Institute of Standards and Technology">National Institute of Standards and Technology</a> notes that "The international nautical mile of 1,852 meters (6,076.115 49... feet) was adopted effective July 1, 1954, for use in the United States. The value formerly used in the United States was 6,080.20 feet = 1 nautical (geographical or sea) mile."<sup id="cite_ref-6" class="reference"><a href="#cite_note-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-7" class="reference"><a href="#cite_note-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup> This deprecated value of 6,080.2 feet is equivalent to 1,853.24 m. A separate reference identifies the geographic mile as being identical to the international nautical mile of 1,852 m and slightly shorter than the British nautical mile of 6,080 feet (1,853.18 m).<sup id="cite_ref-8" class="reference"><a href="#cite_note-8"><span class="cite-bracket">[</span>8<span class="cite-bracket">]</span></a></sup> </p><p>Scandinavians used their own version of the geographical mile as their <a href="/wiki/Nautical_mile" title="Nautical mile">nautical mile</a> up to the beginning of the 20th century, causing it to be more well known as the <b>sea mile</b> in Danish (<span title="Danish-language text"><i lang="da">sømil</i></span>), <a href="/wiki/Norwegian_units_of_measure" class="mw-redirect" title="Norwegian units of measure">Norwegian</a> (<span title="Bokmål-language text"><i lang="nb">sjømil</i></span>), and <a href="/wiki/Swedish_units_of_measurement" title="Swedish units of measurement">Swedish</a> (<span title="Swedish-language text"><i lang="sv">sjömil</i></span>). </p> <div class="mw-heading mw-heading2"><h2 id="Use">Use</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Geographical_mile&action=edit&section=3" title="Edit section: Use"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>The unit is not used much in English-speaking countries but is cited in some <a href="/wiki/United_States" title="United States">United States</a> laws. For example, Section 1301(a) of the Submerged Lands Act defines state seaward boundaries in terms of geographic miles. While debating what became the <a href="/wiki/Land_Ordinance_of_1785" title="Land Ordinance of 1785">Land Ordinance of 1785</a>, <a href="/wiki/Thomas_Jefferson" title="Thomas Jefferson">Thomas Jefferson</a>'s committee wanted to divide the public lands in the west into "<a href="/wiki/Hundred_(county_subdivision)" class="mw-redirect" title="Hundred (county subdivision)">hundreds</a> of ten geographical miles square, each mile containing 6,086 and 4-10ths of a foot" and "sub-divided into lots of one mile square each, or 850 and 4-10ths of an acre".<sup id="cite_ref-proposal_9-0" class="reference"><a href="#cite_note-proposal-9"><span class="cite-bracket">[</span>9<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="See_also">See also</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Geographical_mile&action=edit&section=4" title="Edit section: See also"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/Conversion_of_units" title="Conversion of units">Conversion of units</a></li> <li><a href="/wiki/Medieval_weights_and_measures" title="Medieval weights and measures">Medieval weights and measures</a> for details of the geographical league of France</li> <li><a href="/wiki/Mile" title="Mile">Mile</a> for the various other miles in use</li> <li><a href="/wiki/Nautical_mile" title="Nautical mile">Nautical mile</a></li></ul> <div class="mw-heading mw-heading2"><h2 id="References">References</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Geographical_mile&action=edit&section=5" title="Edit section: References"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1239543626">.mw-parser-output .reflist{margin-bottom:0.5em;list-style-type:decimal}@media screen{.mw-parser-output .reflist{font-size:90%}}.mw-parser-output .reflist .references{font-size:100%;margin-bottom:0;list-style-type:inherit}.mw-parser-output .reflist-columns-2{column-width:30em}.mw-parser-output .reflist-columns-3{column-width:25em}.mw-parser-output .reflist-columns{margin-top:0.3em}.mw-parser-output .reflist-columns ol{margin-top:0}.mw-parser-output .reflist-columns li{page-break-inside:avoid;break-inside:avoid-column}.mw-parser-output .reflist-upper-alpha{list-style-type:upper-alpha}.mw-parser-output .reflist-upper-roman{list-style-type:upper-roman}.mw-parser-output .reflist-lower-alpha{list-style-type:lower-alpha}.mw-parser-output .reflist-lower-greek{list-style-type:lower-greek}.mw-parser-output .reflist-lower-roman{list-style-type:lower-roman}</style><div class="reflist"> <div class="mw-references-wrap"><ol class="references"> <li id="cite_note-Admiralty-1"><span class="mw-cite-backlink">^ <a href="#cite_ref-Admiralty_1-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-Admiralty_1-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text"><style data-mw-deduplicate="TemplateStyles:r1238218222">.mw-parser-output cite.citation{font-style:inherit;word-wrap:break-word}.mw-parser-output .citation q{quotes:"\"""\"""'""'"}.mw-parser-output .citation:target{background-color:rgba(0,127,255,0.133)}.mw-parser-output .id-lock-free.id-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/6/65/Lock-green.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-limited.id-lock-limited a,.mw-parser-output .id-lock-registration.id-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/d/d6/Lock-gray-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-subscription.id-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/a/aa/Lock-red-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .cs1-ws-icon a{background:url("//upload.wikimedia.org/wikipedia/commons/4/4c/Wikisource-logo.svg")right 0.1em center/12px no-repeat}body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-free a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-limited a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-registration a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-subscription a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .cs1-ws-icon a{background-size:contain;padding:0 1em 0 0}.mw-parser-output .cs1-code{color:inherit;background:inherit;border:none;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;color:var(--color-error,#d33)}.mw-parser-output .cs1-visible-error{color:var(--color-error,#d33)}.mw-parser-output .cs1-maint{display:none;color:#085;margin-left:0.3em}.mw-parser-output .cs1-kern-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right{padding-right:0.2em}.mw-parser-output .citation .mw-selflink{font-weight:inherit}@media screen{.mw-parser-output .cs1-format{font-size:95%}html.skin-theme-clientpref-night .mw-parser-output .cs1-maint{color:#18911f}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .cs1-maint{color:#18911f}}</style><cite id="CITEREFMinistry_of_Defence_Staff,_Navy_Dept,_Great_Britain_Ministry_of_Defence1987" class="citation book cs1">Ministry of Defence Staff, Navy Dept, Great Britain Ministry of Defence (1987). <i>Admiralty manual of navigation</i>. H.M. Stationery Office. p. 7. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/9780117728806" title="Special:BookSources/9780117728806"><bdi>9780117728806</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Admiralty+manual+of+navigation&rft.pages=7&rft.pub=H.M.+Stationery+Office&rft.date=1987&rft.isbn=9780117728806&rft.au=Ministry+of+Defence+Staff%2C+Navy+Dept%2C+Great+Britain+Ministry+of+Defence&rfr_id=info%3Asid%2Fen.wikipedia.org%3AGeographical+mile" class="Z3988"></span><span class="cs1-maint citation-comment"><code class="cs1-code">{{<a href="/wiki/Template:Cite_book" title="Template:Cite book">cite book</a>}}</code>: CS1 maint: multiple names: authors list (<a href="/wiki/Category:CS1_maint:_multiple_names:_authors_list" title="Category:CS1 maint: multiple names: authors list">link</a>)</span></span> </li> <li id="cite_note-Bowditch-2"><span class="mw-cite-backlink"><b><a href="#cite_ref-Bowditch_2-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation cs2">"Glossary of Marine Navigation", <a rel="nofollow" class="external text" href="https://msi.nga.mil/NGAPortal/MSI.portal?_nfpb=true&_pageLabel=msi_portal_page_62&pubCode=0002"><i>The American Practical Navigator</i></a>, vol. II (2017 ed.), National Geospatial-Intelligence Agency, p. 346</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=bookitem&rft.atitle=Glossary+of+Marine+Navigation&rft.btitle=The+American+Practical+Navigator&rft.pages=346&rft.edition=2017&rft.pub=National+Geospatial-Intelligence+Agency&rft_id=https%3A%2F%2Fmsi.nga.mil%2FNGAPortal%2FMSI.portal%3F_nfpb%3Dtrue%26_pageLabel%3Dmsi_portal_page_62%26pubCode%3D0002&rfr_id=info%3Asid%2Fen.wikipedia.org%3AGeographical+mile" class="Z3988"></span></span> </li> <li id="cite_note-3"><span class="mw-cite-backlink"><b><a href="#cite_ref-3">^</a></b></span> <span class="reference-text">This is used by the international (ITRS) and American WGS 84) coordinate reference system for the world.</span> </li> <li id="cite_note-4"><span class="mw-cite-backlink"><b><a href="#cite_ref-4">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="ISSN_1654-9163" class="citation journal cs1">Rabounski, Dmitri (2008). <a rel="nofollow" class="external text" href="http://zelmanov.ptep-online.com/papers/zj-2008-b1.pdf">"Biography of Ole Rømer"</a> <span class="cs1-format">(PDF)</span>. <i>The Abraham Zelmanov Journal</i>. <b>1</b>: 2. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20110715130250/http://zelmanov.ptep-online.com/papers/zj-2008-b1.pdf">Archived</a> <span class="cs1-format">(PDF)</span> from the original on 2011-07-15<span class="reference-accessdate">. Retrieved <span class="nowrap">1 February</span> 2018</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=The+Abraham+Zelmanov+Journal&rft.atitle=Biography+of+Ole+R%C3%B8mer&rft.volume=1&rft.pages=2&rft.date=2008&rft.aulast=Rabounski&rft.aufirst=Dmitri&rft_id=http%3A%2F%2Fzelmanov.ptep-online.com%2Fpapers%2Fzj-2008-b1.pdf&rfr_id=info%3Asid%2Fen.wikipedia.org%3AGeographical+mile" class="Z3988"></span></span> </li> <li id="cite_note-5"><span class="mw-cite-backlink"><b><a href="#cite_ref-5">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFDavid_GreenhoodGerard_L._Alexander1964" class="citation book cs1">David Greenhood; Gerard L. Alexander (1964). <span class="id-lock-registration" title="Free registration required"><a rel="nofollow" class="external text" href="https://archive.org/details/mapping00gree/page/51"><i>Mapping</i></a></span>. University of Chicago Press. pp. <a rel="nofollow" class="external text" href="https://archive.org/details/mapping00gree/page/51">51–52</a>. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/9780226306971" title="Special:BookSources/9780226306971"><bdi>9780226306971</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Mapping&rft.pages=51-52&rft.pub=University+of+Chicago+Press&rft.date=1964&rft.isbn=9780226306971&rft.au=David+Greenhood&rft.au=Gerard+L.+Alexander&rft_id=https%3A%2F%2Farchive.org%2Fdetails%2Fmapping00gree%2Fpage%2F51&rfr_id=info%3Asid%2Fen.wikipedia.org%3AGeographical+mile" class="Z3988"></span></span> </li> <li id="cite_note-6"><span class="mw-cite-backlink"><b><a href="#cite_ref-6">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation report cs1"><a rel="nofollow" class="external text" href="https://www.nist.gov/sites/default/files/documents/2017/04/28/hb44-15-web-final.pdf">"NIST Handbook 44, Specifications, Tolerances, and Other Technical Requirements for Weighing and Measuring Devices, General Tables of Units of Measurement</a> <span class="cs1-format">(PDF)</span>. <i><a href="/wiki/NIST" class="mw-redirect" title="NIST">NIST</a></i> (Report). November 2014. p. C-15 (Appendix C, footnote 14). <a rel="nofollow" class="external text" href="https://web.archive.org/web/20170505110701/https://www.nist.gov/sites/default/files/documents/2017/04/28/hb44-15-web-final.pdf">Archived</a> <span class="cs1-format">(PDF)</span> from the original on 2017-05-05<span class="reference-accessdate">. Retrieved <span class="nowrap">April 9,</span> 2019</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=report&rft.btitle=%22NIST+Handbook+44%2C+Specifications%2C+Tolerances%2C+and+Other+Technical+Requirements+for+Weighing+and+Measuring+Devices%2C+General+Tables+of+Units+of+Measurement&rft.pages=C-15+%28Appendix+C%2C+footnote+14%29&rft.date=2014-11&rft_id=https%3A%2F%2Fwww.nist.gov%2Fsites%2Fdefault%2Ffiles%2Fdocuments%2F2017%2F04%2F28%2Fhb44-15-web-final.pdf&rfr_id=info%3Asid%2Fen.wikipedia.org%3AGeographical+mile" class="Z3988"></span></span> </li> <li id="cite_note-7"><span class="mw-cite-backlink"><b><a href="#cite_ref-7">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation report cs1"><a rel="nofollow" class="external text" href="https://nvlpubs.nist.gov/nistpubs/Legacy/MP/nbsmiscellaneouspub214.pdf">"Units of Weight and Measure (United States Customary and Metric) Definition and Tables of Equivalents"</a> <span class="cs1-format">(PDF)</span>. <i><a href="/wiki/NIST" class="mw-redirect" title="NIST">National Bureau of Standards</a></i> (Report). July 1, 1955. p. 4. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20170201042337/http://nvlpubs.nist.gov/nistpubs/Legacy/MP/nbsmiscellaneouspub214.pdf">Archived</a> <span class="cs1-format">(PDF)</span> from the original on 2017-02-01<span class="reference-accessdate">. Retrieved <span class="nowrap">May 5,</span> 2021</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=report&rft.btitle=%22Units+of+Weight+and+Measure+%28United+States+Customary+and+Metric%29+Definition+and+Tables+of+Equivalents%22&rft.pages=4&rft.date=1955-07-01&rft_id=https%3A%2F%2Fnvlpubs.nist.gov%2Fnistpubs%2FLegacy%2FMP%2Fnbsmiscellaneouspub214.pdf&rfr_id=info%3Asid%2Fen.wikipedia.org%3AGeographical+mile" class="Z3988"></span></span> </li> <li id="cite_note-8"><span class="mw-cite-backlink"><b><a href="#cite_ref-8">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFWeast" class="citation book cs1">Weast, Robert C. (ed.). <i>CRC Handbook of Chemistry and Physics, 62nd edition, 1981-1982</i>. Boca Raton, Florida: CRC Press. p. F-297. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/978-0849304620" title="Special:BookSources/978-0849304620"><bdi>978-0849304620</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=CRC+Handbook+of+Chemistry+and+Physics%2C+62nd+edition%2C+1981-1982&rft.place=Boca+Raton%2C+Florida&rft.pages=F-297&rft.pub=CRC+Press&rft.isbn=978-0849304620&rfr_id=info%3Asid%2Fen.wikipedia.org%3AGeographical+mile" class="Z3988"></span></span> </li> <li id="cite_note-proposal-9"><span class="mw-cite-backlink"><b><a href="#cite_ref-proposal_9-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation book cs1">"Journal of Continental Congress, Vol. 27". <a rel="nofollow" class="external text" href="https://memory.loc.gov/cgi-bin/ampage?collId=lljc&fileName=027/lljc027.db&recNum=83"><i>A Century of Lawmaking for a New Nation: U.S. Congressional Documents and Debates, 1774 - 1875</i></a>. May 28, 1784. p. 446<span class="reference-accessdate">. Retrieved <span class="nowrap">April 9,</span> 2019</span> – via <a href="/wiki/Library_of_congress" class="mw-redirect" title="Library of congress">Library of congress</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=bookitem&rft.atitle=Journal+of+Continental+Congress%2C+Vol.+27&rft.btitle=A+Century+of+Lawmaking+for+a+New+Nation%3A+U.S.+Congressional+Documents+and+Debates%2C+1774+-+1875&rft.pages=446&rft.date=1784-05-28&rft_id=https%3A%2F%2Fmemory.loc.gov%2Fcgi-bin%2Fampage%3FcollId%3Dlljc%26fileName%3D027%2Flljc027.db%26recNum%3D83&rfr_id=info%3Asid%2Fen.wikipedia.org%3AGeographical+mile" class="Z3988"></span></span> </li> </ol></div></div>    </div><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?type=1x1" alt="" width="1" height="1" style="border: none; position: absolute;"></noscript> <div class="printfooter" data-nosnippet="">Retrieved from "<a dir="ltr" href="https://en.wikipedia.org/w/index.php?title=Geographical_mile&oldid=1216462942">https://en.wikipedia.org/w/index.php?title=Geographical_mile&oldid=1216462942</a>"</div></div> <div id="catlinks" class="catlinks" data-mw="interface"><div id="mw-normal-catlinks" class="mw-normal-catlinks"><a href="/wiki/Help:Category" title="Help:Category">Category</a>: <ul><li><a href="/wiki/Category:Units_of_length" title="Category:Units of length">Units of length</a></li></ul></div><div id="mw-hidden-catlinks" class="mw-hidden-catlinks mw-hidden-cats-hidden">Hidden categories: <ul><li><a href="/wiki/Category:CS1_maint:_multiple_names:_authors_list" title="Category:CS1 maint: multiple names: authors list">CS1 maint: multiple names: authors list</a></li><li><a href="/wiki/Category:Articles_with_short_description" title="Category:Articles with short description">Articles with short description</a></li><li><a href="/wiki/Category:Short_description_is_different_from_Wikidata" title="Category:Short description is different from Wikidata">Short description is different from Wikidata</a></li><li><a href="/wiki/Category:Articles_containing_Portuguese-language_text" title="Category:Articles containing Portuguese-language text">Articles containing Portuguese-language text</a></li><li><a href="/wiki/Category:Articles_containing_Dutch-language_text" title="Category:Articles containing Dutch-language text">Articles containing Dutch-language text</a></li><li><a href="/wiki/Category:Articles_containing_German-language_text" title="Category:Articles containing German-language text">Articles containing German-language text</a></li><li><a href="/wiki/Category:Articles_containing_Danish-language_text" title="Category:Articles containing Danish-language text">Articles containing Danish-language text</a></li><li><a href="/wiki/Category:Articles_containing_Bokm%C3%A5l-language_text" title="Category:Articles containing Bokmål-language text">Articles containing Bokmål-language text</a></li><li><a href="/wiki/Category:Articles_containing_Swedish-language_text" title="Category:Articles containing Swedish-language text">Articles containing Swedish-language text</a></li></ul></div></div> </div> </main> </div> <div class="mw-footer-container"> <footer id="footer" class="mw-footer" > <ul id="footer-info"> <li id="footer-info-lastmod"> This page was last edited on 31 March 2024, at 04:20<span class="anonymous-show"> (UTC)</span>.</li> <li id="footer-info-copyright">Text is available under the <a href="/wiki/Wikipedia:Text_of_the_Creative_Commons_Attribution-ShareAlike_4.0_International_License" title="Wikipedia:Text of the Creative Commons Attribution-ShareAlike 4.0 International License">Creative Commons Attribution-ShareAlike 4.0 License</a>; additional terms may apply. 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