The calculated distance (air line) between Cologne and Quesnoy-sur-Deûle is approximately 173 miles respectively 279 kilometers.
By car or train, the actual journey to Quesnoy-sur-Deûle is certainly longer, as only the direct route (as the crow flies) between Cologne and Quesnoy-sur-Deûle has been calculated here.
Air line (approximately)
279 kilometers
150 nautical miles