The calculated distance (air line) between Ḩayy al Bunayyāt and Zarqa is approximately 17 miles respectively 27 kilometers.
By car or train, the actual journey to Zarqa is certainly longer, as only the direct route (as the crow flies) between Ḩayy al Bunayyāt and Zarqa has been calculated here.
Air line (approximately)
27 kilometers
15 nautical miles