The calculated distance (air line) between Forêt and Woluwe-Saint-Lambert is approximately 58 miles respectively 94 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 Forêt and Woluwe-Saint-Lambert has been calculated here.
Air line (approximately)
94 kilometers
51 nautical miles