The calculated distance (air line) between Wādī as Sīr and Aţ Ţafīlah is approximately 78 miles respectively 126 kilometers.
By car or train, the actual journey to Aţ Ţafīlah is certainly longer, as only the direct route (as the crow flies) between Wādī as Sīr and Aţ Ţafīlah has been calculated here.
Air line (approximately)
126 kilometers
68 nautical miles