The calculated distance (air line) between Margny-lès-Compiègne and Metz is approximately 153 miles respectively 246 kilometers.
By car or train, the actual journey to Metz is certainly longer, as only the direct route (as the crow flies) between Margny-lès-Compiègne and Metz has been calculated here.
Air line (approximately)
246 kilometers
133 nautical miles