The calculated distance (air line) between Al Arţāwīyah and Riyadh is approximately 152 miles respectively 244 kilometers.
By car or train, the actual journey to Riyadh is certainly longer, as only the direct route (as the crow flies) between Al Arţāwīyah and Riyadh has been calculated here.
Air line (approximately)
244 kilometers
132 nautical miles