The calculated distance (air line) between Saḩam al Kaffārāt and Umm as Summāq is approximately 56 miles respectively 91 kilometers.
By car or train, the actual journey to Umm as Summāq is certainly longer, as only the direct route (as the crow flies) between Saḩam al Kaffārāt and Umm as Summāq has been calculated here.
Air line (approximately)
91 kilometers
49 nautical miles