The calculated distance (air line) between Sint-Katelijne-Waver and Mouscron is approximately 62 miles respectively 100 kilometers.
By car or train, the actual journey to Mouscron is certainly longer, as only the direct route (as the crow flies) between Sint-Katelijne-Waver and Mouscron has been calculated here.
Air line (approximately)
100 kilometers
54 nautical miles