The calculated distance (air line) between Buq‘ātā and As Salamīyah is approximately 145 miles respectively 233 kilometers.
By car or train, the actual journey to As Salamīyah is certainly longer, as only the direct route (as the crow flies) between Buq‘ātā and As Salamīyah has been calculated here.
Air line (approximately)
233 kilometers
126 nautical miles