The calculated distance (air line) between Aţ Ţafīlah and Safi is approximately 16 miles respectively 26 kilometers.
By car or train, the actual journey to Safi is certainly longer, as only the direct route (as the crow flies) between Aţ Ţafīlah and Safi has been calculated here.
Air line (approximately)
26 kilometers
14 nautical miles