The calculated distance (air line) between Saint-Josse-ten-Noode and Antwerpen is approximately 25 miles respectively 41 kilometers.
By car or train, the actual journey to Antwerpen is certainly longer, as only the direct route (as the crow flies) between Saint-Josse-ten-Noode and Antwerpen has been calculated here.
Air line (approximately)
41 kilometers
22 nautical miles