The calculated distance (air line) between Oostham and Molenbeek-Saint-Jean is approximately 42 miles respectively 67 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 Oostham and Molenbeek-Saint-Jean has been calculated here.
Air line (approximately)
67 kilometers
36 nautical miles