A former name for a nautical mile (sea mile) or a unit of length used in sea and air navigation: A geographical mile is based on the length of one minute of arc of a great circle, especially an international and U.S. unit equal to 1,852 meters (about 6,076 feet).

A geographical mile is a British unit of length equivalent to 1,853.18 meters (6,082 feet) , which was replaced by the international nautical mile in 1970.

It is also a unit of length in the US Customary System, used in air and sea navigation and equal to 6,076 feet or 2,025 yards (1,852 meters).