The calculated distance (air line) between Mechelen-aan-de-Maas and Woluwe-Saint-Lambert is approximately 56 miles respectively 90 kilometers.
By car or train, the actual journey to Woluwe-Saint-Lambert is certainly longer, as only the direct route (as the crow flies) between Mechelen-aan-de-Maas and Woluwe-Saint-Lambert has been calculated here.
Air line (approximately)
90 kilometers
48 nautical miles