The calculated distance (air line) between Bayt Ḩānūn and Ḩalḩūl is approximately 33 miles respectively 54 kilometers.
By car or train, the actual journey to Ḩalḩūl is certainly longer, as only the direct route (as the crow flies) between Bayt Ḩānūn and Ḩalḩūl has been calculated here.
Air line (approximately)
54 kilometers
29 nautical miles