The calculated distance (air line) between Chattogram and Bhairab Bāzār is approximately 130 miles respectively 210 kilometers.
By car or train, the actual journey to Bhairab Bāzār is certainly longer, as only the direct route (as the crow flies) between Chattogram and Bhairab Bāzār has been calculated here.
Air line (approximately)
210 kilometers
113 nautical miles