a!distanceBetween() Function

Functions

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.

Parameters

Keyword	Type	Description
startLatitude	Number (Decimal)	Latitude of the start location in degrees.
startLongitude	Number (Decimal)	Longitude of the start location in degrees.
endLatitude	Number (Decimal)	Latitude of the end location in degrees.
endLongitude	Number (Decimal)	Longitude of the end location in degrees.

Returns

Number (Decimal)

Usage considerations

• Valid range for latitude values is -90 and +90 degrees, specifying coordinates to the south and north of the equator respectively.
• Valid range for longitude values is -180 and +180 degrees, specifying coordinates to the west and east of the Prime Meridian respectively.

Examples

a!distanceBetween(startLatitude: 38.932290, startLongitude: -77.218490, endLatitude: 38.917370, endLongitude: -77.220760) returns 1670.609

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