The calculated distance (air line) between Az Zaytūnīyah and Ḩalḩūl is approximately 26 miles respectively 42 kilometers.
By car or train, the actual journey to Ḩalḩūl is certainly longer, as only the direct route (as the crow flies) between Az Zaytūnīyah and Ḩalḩūl has been calculated here.
Air line (approximately)
42 kilometers
23 nautical miles