The calculated distance (air line) between Hāthazāri and Cox’s Bāzār is approximately 75 miles respectively 120 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 Hāthazāri and Cox’s Bāzār has been calculated here.
Air line (approximately)
120 kilometers
65 nautical miles