The calculated distance (air line) between Ar Rābiyah and As Saffānīyah is approximately 103 miles respectively 167 kilometers.
By car or train, the actual journey to As Saffānīyah is certainly longer, as only the direct route (as the crow flies) between Ar Rābiyah and As Saffānīyah has been calculated here.
Air line (approximately)
167 kilometers
90 nautical miles