The calculated distance (air line) between Khomeynī Shahr and Fārsān is approximately 64 miles respectively 103 kilometers.
By car or train, the actual journey to Fārsān is certainly longer, as only the direct route (as the crow flies) between Khomeynī Shahr and Fārsān has been calculated here.
Air line (approximately)
103 kilometers
56 nautical miles