The calculated distance (air line) between Qalyub and Mashtūl as Sūq is approximately 16 miles respectively 26 kilometers.
By car or train, the actual journey to Mashtūl as Sūq is certainly longer, as only the direct route (as the crow flies) between Qalyub and Mashtūl as Sūq has been calculated here.
Air line (approximately)
26 kilometers
14 nautical miles