The calculated distance (air line) between Ar-Raḥaībāt and As Sawānī is approximately 93 miles respectively 150 kilometers.
By car or train, the actual journey to As Sawānī is certainly longer, as only the direct route (as the crow flies) between Ar-Raḥaībāt and As Sawānī has been calculated here.
Air line (approximately)
150 kilometers
81 nautical miles