calculate two location

gistfile1.txt

private String getDistanceBetweenTwoLocations(double latA, double lngA, double latB, double lngB, String suffix) {
      Location locationA = new Location("point A");

      locationA.setLatitude(latA);
      locationA.setLongitude(lngA);

      Location locationB = new Location("point B");

      locationB.setLatitude(latB);
      locationB.setLongitude(lngB);

      float distance = locationA.distanceTo(locationB) / 1000;
      DecimalFormat df = new DecimalFormat("0.##");
      String dst = df.format(distance) + suffix;
      return dst;
   }