The calculated distance (air line) between Ar Rayyān and Dār Kulayb is approximately 79 miles respectively 126 kilometers.
By car or train, the actual journey to Dār Kulayb is certainly longer, as only the direct route (as the crow flies) between Ar Rayyān and Dār Kulayb has been calculated here.
Air line (approximately)
126 kilometers
68 nautical miles