Calculate Great Circle Distance and Bearing on Ellipsoid

This utility calculates great circle distance and bearing between two geodetic coordinates, for commonly used Earth ellipsoids.

iGreatCircle™ - great circle distance calculator for iPhone.

Ellipsoid


1st Geographic Coordinate

  • Latitude valid formats:
    "Decimal" (ex. '38.889139') or
    "Degrees Minutes Seconds" (ex. '38 53 20.9 N')

  • Latitude:  
  •  

  • Longitude valid formats:
    "Decimal" (ex. '-77.049') or
    "Degrees Minutes Seconds" (ex. '77 2 56.4 W')

  • Longitude:  
  •  
2nd Geographic Coordinate

  • Latitude valid formats:
    "Decimal" (ex. '38.889139') or
    "Degrees Minutes Seconds" (ex. '38 53 20.9 N')

  • Latitude:  
  •  

  • Longitude valid formats:
    "Decimal" (ex. '-77.049') or
    "Degrees Minutes Seconds" (ex. '77 2 56.4 W')

  • Longitude:  
  •  
 
Calculation Results
  • Distance, km:
  • Bearing, degrees:

Related links

Great circle distance and bearing calculation

Destination calculation

Earth ellipsoid parameters reference

Latitude/longitude conversion between DMS and decimal formats