The calculated distance (air line) between Sangīn and Fayrōz Kōh is approximately 171 miles respectively 275 kilometers.
By car or train, the actual journey to Fayrōz Kōh is certainly longer, as only the direct route (as the crow flies) between Sangīn and Fayrōz Kōh has been calculated here.
Air line (approximately)
275 kilometers
148 nautical miles