@Test
public void testHaversineFormula_Distance7() {

    double lat1 = 41.2572;
    double lon1 = -95.9656;
    double lat2 = -33.9065;
    double lon2 = 18.4175;
    double expResult = 14312.6630;
    double result = GreatCircleDistance.haversineFormula(lat1, lon1, lat2, lon2) / 1000; // Adjustment to kilometres.
    assertEquals(expResult, result, 0.3);
}