The calculated distance (air line) between Ad Duraykīsh and As Salamīyah is approximately 52 miles respectively 84 kilometers.
By car or train, the actual journey to As Salamīyah is certainly longer, as only the direct route (as the crow flies) between Ad Duraykīsh and As Salamīyah has been calculated here.
Air line (approximately)
84 kilometers
45 nautical miles