using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
public class Utility
{
public static double CalculateDistance(double pStartLat, double pStartLong, double pEndLat, double pEndLong)
{
double distance = /*for conversion in Metres*/
1000 *
/*radius of earth in km*/
6378.7 * Math.Acos(Math.Sin(pStartLat / 57.2958)
* Math.Sin(pEndLat / 57.2958)
+ Math.Cos(pStartLat / 57.2958)
* Math.Cos(pEndLat / 57.2958)
* Math.Cos((pEndLong / 57.2958) - (pStartLong / 57.2958)));
return distance;
}
}