The calculated distance (air line) between Ḩalāwah and Aţ Ţafīlah is approximately 107 miles respectively 172 kilometers.
By car or train, the actual journey to Aţ Ţafīlah is certainly longer, as only the direct route (as the crow flies) between Ḩalāwah and Aţ Ţafīlah has been calculated here.
Air line (approximately)
172 kilometers
93 nautical miles