The calculated distance (air line) between Fūman and Shāhīn Dezh is approximately 156 miles respectively 251 kilometers.
By car or train, the actual journey to Shāhīn Dezh is certainly longer, as only the direct route (as the crow flies) between Fūman and Shāhīn Dezh has been calculated here.
Air line (approximately)
251 kilometers
136 nautical miles