The calculated distance (air line) between Charvieu-Chavagneux and Besançon is approximately 111 miles respectively 179 kilometers.
By car or train, the actual journey to Besançon is certainly longer, as only the direct route (as the crow flies) between Charvieu-Chavagneux and Besançon has been calculated here.
Air line (approximately)
179 kilometers
97 nautical miles