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