The calculated distance (air line) between As Saffānīyah and At Tūbī is approximately 125 miles respectively 201 kilometers.
By car or train, the actual journey to At Tūbī is certainly longer, as only the direct route (as the crow flies) between As Saffānīyah and At Tūbī has been calculated here.
Air line (approximately)
201 kilometers
108 nautical miles