NASA Logo, National Aeronautics and Space Administration
NASA Space Science Data Coordinated Archive Header

Terrestrial Planet Mileage Calculator

This form can be used to calculate the distance between two points on the surface of one of the terrestrial planets. This is done by specifying the latitude and longitude of the two points.

Point Coordinates
Point 1
Point 2
Display distances in?


  • Enter all coordinates as decimal values.
  • If the latitude is southern, then enter it as a negative number.
  • If longitudes are in an east/west system (as on Earth), enter west longitudes as negative numbers.