The calculated distance (air line) between Ḩalwān and Al Qanāyāt is approximately 55 miles respectively 88 kilometers.
By car or train, the actual journey to Al Qanāyāt is certainly longer, as only the direct route (as the crow flies) between Ḩalwān and Al Qanāyāt has been calculated here.
Air line (approximately)
88 kilometers
47 nautical miles