The calculated distance (air line) between Berchem-Sainte-Agathe and Kortrijk is approximately 45 miles respectively 72 kilometers.
By car or train, the actual journey to Kortrijk is certainly longer, as only the direct route (as the crow flies) between Berchem-Sainte-Agathe and Kortrijk has been calculated here.
Air line (approximately)
72 kilometers
39 nautical miles