The calculated distance (air line) between Salwá and Janūb as Surrah is approximately 6 miles respectively 10 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 Salwá and Janūb as Surrah has been calculated here.
Air line (approximately)
10 kilometers
6 nautical miles