The calculated distance (air line) between Kafr Lāhā and As Salamīyah is approximately 33 miles respectively 52 kilometers.
By car or train, the actual journey to As Salamīyah is certainly longer, as only the direct route (as the crow flies) between Kafr Lāhā and As Salamīyah has been calculated here.
Air line (approximately)
52 kilometers
28 nautical miles