The calculated distance (air line) between Houdeng-Aimeries and Antwerpen is approximately 52 miles respectively 84 kilometers.
By car or train, the actual journey to Antwerpen is certainly longer, as only the direct route (as the crow flies) between Houdeng-Aimeries and Antwerpen has been calculated here.
Air line (approximately)
84 kilometers
45 nautical miles