The calculated distance (air line) between Molenbeek-Saint-Jean and Berchem is approximately 24 miles respectively 39 kilometers.
By car or train, the actual journey to Berchem is certainly longer, as only the direct route (as the crow flies) between Molenbeek-Saint-Jean and Berchem has been calculated here.
Air line (approximately)
39 kilometers
21 nautical miles