The calculated distance (air line) between Le Chambon-Feugerolles and Besançon is approximately 152 miles respectively 244 kilometers.
By car or train, the actual journey to Besançon is certainly longer, as only the direct route (as the crow flies) between Le Chambon-Feugerolles and Besançon has been calculated here.
Air line (approximately)
244 kilometers
132 nautical miles