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