# Module: LatLng

### Requires

- module:WPGMZA

### Methods

#### <inner> getGreatCircleDistance(arg1, arg2)

Uses the haversine formula to get the great circle distance between this and another LatLng / lat & lng pair

  ##### Parameters:

  Name | Type | Description
  --- | --- | ---
  `arg1` |  | [WPGMZA.LatLng|Object|Number] Either a WPGMZA.LatLng, an object representing a lat/lng literal, or a latitude
  `arg2` |  | (optional) If arg1 is a Number representing latitude, pass arg2 to represent the longitude

  ##### Returns:

  number The distance "as the crow files" between this point and the other

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