The calculated distance (air line) between Düsseldorf and Montigny-lès-Metz is approximately 149 miles respectively 241 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 Düsseldorf and Montigny-lès-Metz has been calculated here.
Air line (approximately)
241 kilometers
130 nautical miles