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