The calculated distance (air line) between Khvānsār and Fereydūnshahr is approximately 22 miles respectively 36 kilometers.
By car or train, the actual journey to Fereydūnshahr is certainly longer, as only the direct route (as the crow flies) between Khvānsār and Fereydūnshahr has been calculated here.
Air line (approximately)
36 kilometers
19 nautical miles