The calculated distance (air line) between Santes and Quesnoy-sur-Deûle is approximately 8 miles respectively 14 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 Santes and Quesnoy-sur-Deûle has been calculated here.
Air line (approximately)
14 kilometers
7 nautical miles