The calculated distance (air line) between Al Finţās and As Saffānīyah is approximately 91 miles respectively 146 kilometers.
By car or train, the actual journey to As Saffānīyah is certainly longer, as only the direct route (as the crow flies) between Al Finţās and As Saffānīyah has been calculated here.
Air line (approximately)
146 kilometers
79 nautical miles