The calculated distance (air line) between Robāţ Karīm and Rūdsar is approximately 122 miles respectively 197 kilometers.
By car or train, the actual journey to Rūdsar is certainly longer, as only the direct route (as the crow flies) between Robāţ Karīm and Rūdsar has been calculated here.
Air line (approximately)
197 kilometers
106 nautical miles