The calculated distance (air line) between Montigny-lès-Cormeilles and Auvers-sur-Oise is approximately 6 miles respectively 10 kilometers.
By car or train, the actual journey to Auvers-sur-Oise is certainly longer, as only the direct route (as the crow flies) between Montigny-lès-Cormeilles and Auvers-sur-Oise has been calculated here.
Air line (approximately)
10 kilometers
6 nautical miles