A device, system and method of embodiments of the invention include a route comparison device having circuitry configured to acquire location information of a starting point and a goal point, acquire shape data of a reference route between the starting point and the goal point, search for a route between the starting point and the goal point, and calculate, by comparing shape data of a found route which has been found and the shape data of the reference route, a degree of matching indicating a degree of correspondence between the routes.