The calculated distance (air line) between Shubrā al Khaymah and Mashtūl as Sūq is approximately 18 miles respectively 29 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 Shubrā al Khaymah and Mashtūl as Sūq has been calculated here.
Air line (approximately)
29 kilometers
16 nautical miles