using System;

public class Program

{

    public static void Main()

    {

        var R = 6378.1; //Radius of the Earth

var brng = 1.57; //Bearing is 90 degrees converted to radians.

var d = 3; //Distance in km

        var lat1 =(Math.PI / 180) * (52.20472) ;//Current lat point converted to radians

var lon1 = (Math.PI / 180) * (0.14056); //Current long point converted to radians

    var lat2 = Math.Asin( Math.Sin(lat1)*Math.Cos(d/R) +

     Math.Cos(lat1)*Math.Sin(d/R)*Math.Cos(brng));

​

var lon2 = lon1 + Math.Atan2(Math.Sin(brng)*Math.Sin(d/R)*Math.Cos(lat1),

             Math.Cos(d/R)-Math.Sin(lat1)*Math.Sin(lat2));

lat2 =lat2 *  (180/Math.PI);

lon2 = lon2 * (180/Math.PI);

​

        Console.WriteLine(lat2);

        Console.WriteLine(lon2);

    }

}