The calculated distance (air line) between Kūhdasht and Golpāyegān is approximately 154 miles respectively 249 kilometers.
By car or train, the actual journey to Golpāyegān is certainly longer, as only the direct route (as the crow flies) between Kūhdasht and Golpāyegān has been calculated here.
Air line (approximately)
249 kilometers
134 nautical miles