Software and Databases for distance calculation    

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Encyclopedia of terms

Axial tilt Canada Canadian postal code Cartography Circles of latitude Coordinate system Date Line Earth Ellipsoid Equator Galileo Gauss Krueger coordinates Geodesy Geoid Germany Global Positioning System (GPS) Gravity Great Circle Greenwich

Kilometer Latitude Longitude Loxodrome Map projection Mariana Trench Mercator projection Meridian Meter Mile Milky Way Moon Mount Everest Nautical mile North Pole Postal code

Radian measure Reference ellipsoid Sea level South Pole Sphere Sun Swiss coordinate system Tectonics United Kingdom United Kingdom postcode United States Universal Transverse Mercator (UTM) UTC WGS84 ZIP Code