The calculated distance (air line) between As Saffānīyah and Raḩīmah is approximately 120 miles respectively 192 kilometers.
By car or train, the actual journey to Raḩīmah is certainly longer, as only the direct route (as the crow flies) between As Saffānīyah and Raḩīmah has been calculated here.
Air line (approximately)
192 kilometers
104 nautical miles