The calculated distance (air line) between Dhī as Sufāl and Saḩar is approximately 103 miles respectively 166 kilometers.
By car or train, the actual journey to Saḩar is certainly longer, as only the direct route (as the crow flies) between Dhī as Sufāl and Saḩar has been calculated here.
Air line (approximately)
166 kilometers
90 nautical miles