The calculated distance (air line) between Ḩalwān and Al Qūşīyah is approximately 168 miles respectively 271 kilometers.
By car or train, the actual journey to Al Qūşīyah is certainly longer, as only the direct route (as the crow flies) between Ḩalwān and Al Qūşīyah has been calculated here.
Air line (approximately)
271 kilometers
146 nautical miles