The calculated distance (air line) between Tafresh and Khomeynī Shahr is approximately 164 miles respectively 264 kilometers.
By car or train, the actual journey to Khomeynī Shahr is certainly longer, as only the direct route (as the crow flies) between Tafresh and Khomeynī Shahr has been calculated here.
Air line (approximately)
264 kilometers
142 nautical miles