The calculated distance (air line) between Pont-à-Mousson and Montigny-lès-Metz is approximately 14 miles respectively 22 kilometers.
By car or train, the actual journey to Montigny-lès-Metz is certainly longer, as only the direct route (as the crow flies) between Pont-à-Mousson and Montigny-lès-Metz has been calculated here.
Air line (approximately)
22 kilometers
12 nautical miles