地理英里（赤道1分的弧长）；
1. 地理海哩：geographical map 地理图 | geographical mile 地理海哩 | geographical name index 地名索引
2. 陆哩：陸軍製圖局 Army Map Service | 陸哩 geographical mile | 陸龍捲風 tornado
noun
1. a former British unit of length equivalent to 6,080 feet (1,853.184 meters)
800 feet longer than a statute mile