The calculated distance (air line) between Cologne and Maizières-lès-Metz is approximately 124 miles respectively 199 kilometers.
By car or train, the actual journey to Maizières-lès-Metz is certainly longer, as only the direct route (as the crow flies) between Cologne and Maizières-lès-Metz has been calculated here.
Air line (approximately)
199 kilometers
108 nautical miles