http://www.geomidpoint.com/destination/

Latitude: 58°48′29″S   -58.80806228
Longitude: 17°30′11″E   17.50310241

GeodeticCalculator calc = new GeodeticCalculator();
calc.setStartingGeographicPoint(0,-60);
calc.setDirection(90, 1000000);
Point2D dest = calc.getDestinationGeographicPoint();
System.out.println("lon:"+dest.getX()+" lat:"+dest.getY());

lon:17.5031024131395 lat:-58.808062278802744