The calculated distance (air line) between Rāmshīr and Ar Rumaythīyah is approximately 135 miles respectively 218 kilometers.
By car or train, the actual journey to Ar Rumaythīyah is certainly longer, as only the direct route (as the crow flies) between Rāmshīr and Ar Rumaythīyah has been calculated here.
Air line (approximately)
218 kilometers
117 nautical miles