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