The calculated distance (air line) between Montigny-lès-Metz and Besançon is approximately 128 miles respectively 206 kilometers.
By car or train, the actual journey to Besançon is certainly longer, as only the direct route (as the crow flies) between Montigny-lès-Metz and Besançon has been calculated here.
Air line (approximately)
206 kilometers
111 nautical miles