The calculated distance (air line) between Mechelen-aan-de-Maas and Mechelen is approximately 53 miles respectively 85 kilometers.
By car or train, the actual journey to Mechelen is certainly longer, as only the direct route (as the crow flies) between Mechelen-aan-de-Maas and Mechelen has been calculated here.
Air line (approximately)
85 kilometers
46 nautical miles