Possible Duplicate:
Adding a route to a MKMapView
So I am planning to draw multiple routes on the MKMapView. What are the easiest way to do this on iOS? I am not sure if the iPhone can calculate routes if I give them two points (lattitude, longitude). But then if the iPhone were able to calculate a route, then that route might not be the route I want to draw to go from point A to B.
Do I need multiple points along the route and draw it? As that seems really complex, as the number of points grows linearly with the growth of distance. Any suggestions?