The calculated distance (air line) between Dayr Dibwān and Ḩalḩūl is approximately 25 miles respectively 40 kilometers.
By car or train, the actual journey to Ḩalḩūl is certainly longer, as only the direct route (as the crow flies) between Dayr Dibwān and Ḩalḩūl has been calculated here.
Air line (approximately)
40 kilometers
22 nautical miles