The calculated distance (air line) between Blankenberge and Woluwe-Saint-Lambert is approximately 65 miles respectively 105 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 Blankenberge and Woluwe-Saint-Lambert has been calculated here.
Air line (approximately)
105 kilometers
56 nautical miles