The calculated distance (air line) between Fūman and Robāţ Karīm is approximately 155 miles respectively 250 kilometers.
By car or train, the actual journey to Robāţ Karīm is certainly longer, as only the direct route (as the crow flies) between Fūman and Robāţ Karīm has been calculated here.
Air line (approximately)
250 kilometers
135 nautical miles