Methods and apparatus, including computer program products, implementing and using techniques for determining route alternatives from a starting point to an ending destination for a vehicle, based at least in part on radio signal strength and availability. An input defining a starting point and an ending destination is received. A user input of a radio station preference is received. One or more route alternatives between the starting point and the ending destination are determined based on global positioning system data, the received radio station preference, and information on radio signal strength and availability.