The calculated distance (air line) between Fereydūnshahr and Dowlatābād is approximately 92 miles respectively 148 kilometers.
By car or train, the actual journey to Dowlatābād is certainly longer, as only the direct route (as the crow flies) between Fereydūnshahr and Dowlatābād has been calculated here.
Air line (approximately)
148 kilometers
80 nautical miles