The calculated distance (air line) between Sīlat al Ḩārithīyah and Ḩalḩūl is approximately 65 miles respectively 104 kilometers.
By car or train, the actual journey to Ḩalḩūl is certainly longer, as only the direct route (as the crow flies) between Sīlat al Ḩārithīyah and Ḩalḩūl has been calculated here.
Air line (approximately)
104 kilometers
56 nautical miles