Function sphericalDistance

sphericalDistance(
    lon1: number,
    lat1: number,
    lon2: number,
    lat2: number,
    planetRadius?: number,
): number
Returns the distance between two points given the spherical radius in meters (defaults to earth's radius)
Parameters
- lon1: number
  the first longitude
- lat1: number
  the first latitude
- lon2: number
  the second longitude
- lat2: number
  the second latitude
- planetRadius: number = EARTH_RADIUS
  the radius of the planet (Earth by default)
Returns number
- the distance