The calculated distance (air line) between Bochum-Hordel and Mechelen-aan-de-Maas is approximately 74 miles respectively 119 kilometers.
By car or train, the actual journey to Mechelen-aan-de-Maas is certainly longer, as only the direct route (as the crow flies) between Bochum-Hordel and Mechelen-aan-de-Maas has been calculated here.
Air line (approximately)
119 kilometers
64 nautical miles