The calculated distance (air line) between Sainte-Marie-aux-Mines and Besançon is approximately 88 miles respectively 141 kilometers.
By car or train, the actual journey to Besançon is certainly longer, as only the direct route (as the crow flies) between Sainte-Marie-aux-Mines and Besançon has been calculated here.
Air line (approximately)
141 kilometers
76 nautical miles