The calculated distance (air line) between Janūb as Surrah and Al Wafrah is approximately 44 miles respectively 70 kilometers.
By car or train, the actual journey to Al Wafrah is certainly longer, as only the direct route (as the crow flies) between Janūb as Surrah and Al Wafrah has been calculated here.
Air line (approximately)
70 kilometers
38 nautical miles