The calculated distance (air line) between Bi’r al ‘Abd and Ḩalwān is approximately 130 miles respectively 210 kilometers.
By car or train, the actual journey to Ḩalwān is certainly longer, as only the direct route (as the crow flies) between Bi’r al ‘Abd and Ḩalwān has been calculated here.
Air line (approximately)
210 kilometers
113 nautical miles