The vast majority of current GPS receivers have their own maps, that have to be constantly renovated by means of updates, because if we don't they may become obsolete. If we want to get rid of this problem, the best thing is to have a program like Google Maps With GPS Tracker.
It's an application with which we'll be able to use any GPS connected to our PC, to browse around Google Maps' interface, thus accomplishing one of the most complete localization and route systems in the world.
The program is very easy to use, and it will only be necessary to mark the origin and destination, and wait for the application to suggest the route.
If you want to have a brilliant interface with which to travel around, download Google Maps With GPS Tracker.