The calculated distance (air line) between Ar Rayāyinah and Msalātah is approximately 105 miles respectively 170 kilometers.
By car or train, the actual journey to Msalātah is certainly longer, as only the direct route (as the crow flies) between Ar Rayāyinah and Msalātah has been calculated here.
Air line (approximately)
170 kilometers
92 nautical miles