The calculated distance (air line) between Baytā al Fawqā and Ḩalḩūl is approximately 40 miles respectively 65 kilometers.
By car or train, the actual journey to Ḩalḩūl is certainly longer, as only the direct route (as the crow flies) between Baytā al Fawqā and Ḩalḩūl has been calculated here.
Air line (approximately)
65 kilometers
35 nautical miles