The calculated distance (air line) between Shahrak and Sang-e Chārak is approximately 170 miles respectively 274 kilometers.
By car or train, the actual journey to Sang-e Chārak is certainly longer, as only the direct route (as the crow flies) between Shahrak and Sang-e Chārak has been calculated here.
Air line (approximately)
274 kilometers
148 nautical miles