a!distanceBetween( startLatitude, startLongitude, endLatitude, endLongitude )
Returns the distance between the two locations (in meters) specified by the start and end coordinates. The distance is calculated by tracing a line between the two locations that follows the curvature of the Earth, and measuring the length of the resulting arc.
Keyword  Type  Description 


Number (Decimal) 
Latitude of the start location in degrees. 

Number (Decimal) 
Longitude of the start location in degrees. 

Number (Decimal) 
Latitude of the end location in degrees. 

Number (Decimal) 
Longitude of the end location in degrees. 
Number (Decimal)
a!distanceBetween(startLatitude: 38.932290, startLongitude: 77.218490, endLatitude: 38.917370, endLongitude: 77.220760)
returns 1670.609