The calculated distance (air line) between Zanjān and Robāţ Karīm is approximately 166 miles respectively 268 kilometers.
By car or train, the actual journey to Robāţ Karīm is certainly longer, as only the direct route (as the crow flies) between Zanjān and Robāţ Karīm has been calculated here.
Air line (approximately)
268 kilometers
144 nautical miles