The calculated distance (air line) between Banī Suhaylā and Ḩalḩūl is approximately 49 miles respectively 78 kilometers.
By car or train, the actual journey to Ḩalḩūl is certainly longer, as only the direct route (as the crow flies) between Banī Suhaylā and Ḩalḩūl has been calculated here.
Air line (approximately)
78 kilometers
42 nautical miles