The calculated distance (air line) between Al Ghanţū and As Salamīyah is approximately 24 miles respectively 39 kilometers.
By car or train, the actual journey to As Salamīyah is certainly longer, as only the direct route (as the crow flies) between Al Ghanţū and As Salamīyah has been calculated here.
Air line (approximately)
39 kilometers
21 nautical miles