The calculated distance (air line) between Āstāneh-ye Ashrafīyeh and Khalkhāl is approximately 81 miles respectively 131 kilometers.
By car or train, the actual journey to Khalkhāl is certainly longer, as only the direct route (as the crow flies) between Āstāneh-ye Ashrafīyeh and Khalkhāl has been calculated here.
Air line (approximately)
131 kilometers
71 nautical miles