The calculated distance (air line) between Nancy and Montigny-lès-Metz is approximately 28 miles respectively 46 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 Nancy and Montigny-lès-Metz has been calculated here.
Air line (approximately)
46 kilometers
25 nautical miles