The calculated distance (air line) between Khalkhāl and Shāhīn Dezh is approximately 126 miles respectively 203 kilometers.
By car or train, the actual journey to Shāhīn Dezh is certainly longer, as only the direct route (as the crow flies) between Khalkhāl and Shāhīn Dezh has been calculated here.
Air line (approximately)
203 kilometers
109 nautical miles