Where f represent the latitudes and l represent the longitudes. My data consists of hundreds of Latitude and Longitude location coordinates. A sin² Df2 cos f1 cos f2 sin² Dl2 c 2 atan2 a 1a d R c.
If you treat the Earth as a sphere with a circumference of 25000 miles then one degree of latitude is 25000360 6944 miles.
Nautical Miles ACOS sin Lat_place_1PI 180sin Lat_place_2PI 180. A minute is thus 694460 1157 miles and a second is 11560 00193 miles or about 101 feet. A point latlon is a distance d out on the tc radial from point 1 if. Nautical miles n mi statute miles sm or kilometers km and click Compute.