The calculated distance (air line) between Saint-Josse-ten-Noode and Kortrijk is approximately 48 miles respectively 78 kilometers.
By car or train, the actual journey to Kortrijk is certainly longer, as only the direct route (as the crow flies) between Saint-Josse-ten-Noode and Kortrijk has been calculated here.
Air line (approximately)
78 kilometers
42 nautical miles