The calculated distance (air line) between Ash Shāmīyah and Az Zawr is approximately 20 miles respectively 32 kilometers.
By car or train, the actual journey to Az Zawr is certainly longer, as only the direct route (as the crow flies) between Ash Shāmīyah and Az Zawr has been calculated here.
Air line (approximately)
32 kilometers
17 nautical miles