The calculated distance (air line) between Ar Raqqah and As Salamīyah is approximately 128 miles respectively 206 kilometers.
By car or train, the actual journey to As Salamīyah is certainly longer, as only the direct route (as the crow flies) between Ar Raqqah and As Salamīyah has been calculated here.
Air line (approximately)
206 kilometers
111 nautical miles