The calculated distance (air line) between Molenbeek-Saint-Jean and La Louvière is approximately 26 miles respectively 41 kilometers.
By car or train, the actual journey to La Louvière is certainly longer, as only the direct route (as the crow flies) between Molenbeek-Saint-Jean and La Louvière has been calculated here.
Air line (approximately)
41 kilometers
22 nautical miles