The calculated distance (air line) between Yazd and Khomeynī Shahr is approximately 174 miles respectively 280 kilometers.
By car or train, the actual journey to Khomeynī Shahr is certainly longer, as only the direct route (as the crow flies) between Yazd and Khomeynī Shahr has been calculated here.
Air line (approximately)
280 kilometers
151 nautical miles