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