get Distance Between Location

GetDistanceBetweenLocation.java

public class GetDistanceBetweenLocation{
  
  public static double getDistanceBetweenLocations(double originLat, double originLng,double destinationLat, double destinationLng ){

        int radiusOfEarth = 6371; // Km

        double dLat = Math.toRadians(destinationLat - originLat);
        double dLng = Math.toRadians(destinationLng - originLng);

        double a =  Math.sin(dLat / 2) * Math.sin(dLat / 2) + Math.cos(Math.toRadians(originLat)) * Math.cos(Math.toRadians(destinationLat)) * Math.sin(dLng / 2) * Math.sin(dLng / 2);
        double c = 2 * Math.atan2(Math.sqrt(a), Math.sqrt(1 - a));

        return radiusOfEarth * c;
    }
}