The calculated distance (air line) between Monceau-sur-Sambre and Antwerpen is approximately 56 miles respectively 89 kilometers.
By car or train, the actual journey to Antwerpen is certainly longer, as only the direct route (as the crow flies) between Monceau-sur-Sambre and Antwerpen has been calculated here.
Air line (approximately)
89 kilometers
48 nautical miles