The calculated distance (air line) between Qom and Fereydūnshahr is approximately 125 miles respectively 201 kilometers.
By car or train, the actual journey to Fereydūnshahr is certainly longer, as only the direct route (as the crow flies) between Qom and Fereydūnshahr has been calculated here.
Air line (approximately)
201 kilometers
109 nautical miles