The calculated distance (air line) between As Salţ and Aţ Ţafīlah is approximately 83 miles respectively 134 kilometers.
By car or train, the actual journey to Aţ Ţafīlah is certainly longer, as only the direct route (as the crow flies) between As Salţ and Aţ Ţafīlah has been calculated here.
Air line (approximately)
134 kilometers
72 nautical miles