The calculated distance (air line) between Zarqa and Umm as Summāq is approximately 19 miles respectively 30 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 Zarqa and Umm as Summāq has been calculated here.
Air line (approximately)
30 kilometers
16 nautical miles