This is documentation for Mathematica 8, which was
based on an earlier version of the Wolfram Language.
View current documentation (Version 11.1)
As of Version 7.0, geodesy functionality is built into Mathematica.
Geodesy Package
 
SpheroidalDistance distance between two points on a spheroid
SphericalDistance distance between two points on a sphere
    
ToAuthalicRadius radius of the authalic sphere based on a given spheroid
GeodeticToAuthalic coordinates of a point on an authalic sphere
    
ToDegrees convert a coordinate from DMS to degrees
ToDMS convert from degrees to DMS
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