The calculated distance (air line) between Az Zawr and Janūb as Surrah is approximately 22 miles respectively 35 kilometers.
By car or train, the actual journey to Janūb as Surrah is certainly longer, as only the direct route (as the crow flies) between Az Zawr and Janūb as Surrah has been calculated here.
Air line (approximately)
35 kilometers
19 nautical miles