The calculated distance (air line) between Fereydūnshahr and Khomeynī Shahr is approximately 84 miles respectively 135 kilometers.
By car or train, the actual journey to Khomeynī Shahr is certainly longer, as only the direct route (as the crow flies) between Fereydūnshahr and Khomeynī Shahr has been calculated here.
Air line (approximately)
135 kilometers
73 nautical miles