The calculated distance (air line) between Mechelen-aan-de-Maas and Roeselare is approximately 112 miles respectively 180 kilometers.
By car or train, the actual journey to Roeselare is certainly longer, as only the direct route (as the crow flies) between Mechelen-aan-de-Maas and Roeselare has been calculated here.
Air line (approximately)
180 kilometers
97 nautical miles