The calculated distance (air line) between Cairo and Mashtūl as Sūq is approximately 22 miles respectively 35 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 Cairo and Mashtūl as Sūq has been calculated here.
Air line (approximately)
35 kilometers
19 nautical miles