The calculated distance (air line) between Ar Riqqah and Janūb as Surrah is approximately 11 miles respectively 18 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 Ar Riqqah and Janūb as Surrah has been calculated here.
Air line (approximately)
18 kilometers
10 nautical miles