The calculated distance (air line) between Ḩalwān and Al Maţarīyah is approximately 102 miles respectively 165 kilometers.
By car or train, the actual journey to Al Maţarīyah is certainly longer, as only the direct route (as the crow flies) between Ḩalwān and Al Maţarīyah has been calculated here.
Air line (approximately)
165 kilometers
89 nautical miles