The calculated distance (air line) between Umm as Summāq and Aţ Ţafīlah is approximately 74 miles respectively 119 kilometers.
By car or train, the actual journey to Aţ Ţafīlah is certainly longer, as only the direct route (as the crow flies) between Umm as Summāq and Aţ Ţafīlah has been calculated here.
Air line (approximately)
119 kilometers
64 nautical miles