Geographical mile
The geographical mile isunitlength determined by 1 minutearc alongEarth's equator, approximately equal1855 metres (6087.15 international feet).The unitnot used much; itclosely related tonautical mile, which was originally determined as 1 minutearc alonggreat circle ofEarthis nowadays definedbe exactly 1852 metres.
The DanishGerman geographical mile (milMeile)4 minutesarc,was defined as 7421.5 metres byastronomer Ole RømerDenmark. In NorwaySweden, this geographical mile was only used at sea. See also historical weightsmeasures.
In France there was alsogeographical league, see historical weightsmeasures.
See mile forvarious other milesuse,also conversionunits.
