The calculated distance (air line) between Heinsch and Woluwe-Saint-Lambert is approximately 98 miles respectively 158 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 Heinsch and Woluwe-Saint-Lambert has been calculated here.
Air line (approximately)
158 kilometers
85 nautical miles