public static double MetersBetweenPositions(LocationPair l1, LocationPair l2)
 {
     return(KilometersBetweenPositions(l1, l2) * 1000);
 }
 public static double MetersBetweenPositions(LocationPair l1, LocationPair l2)
 {
     return KilometersBetweenPositions(l1, l2) * 1000;
 }
 public static double KilometersBetweenPositions(LocationPair l1, LocationPair l2)
 {
     return(Calc(l1.Latitude, l1.Longitude, l2.Latitude, l2.Longitude));
 }
 public static double KilometersBetweenPositions(LocationPair l1, LocationPair l2)
 {
     return Calc(l1.Latitude, l1.Longitude, l2.Latitude, l2.Longitude);
 }