The calculated distance (air line) between Yazd and Shāhīn Shahr is approximately 177 miles respectively 285 kilometers.
By car or train, the actual journey to Shāhīn Shahr is certainly longer, as only the direct route (as the crow flies) between Yazd and Shāhīn Shahr has been calculated here.
Air line (approximately)
285 kilometers
154 nautical miles