The calculated distance (air line) between Umm Qaşr and Janūb as Surrah is approximately 53 miles respectively 85 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 Umm Qaşr and Janūb as Surrah has been calculated here.
Air line (approximately)
85 kilometers
46 nautical miles