The calculated distance (air line) between Kamalpur and Bhairab Bāzār is approximately 55 miles respectively 89 kilometers.
By car or train, the actual journey to Bhairab Bāzār is certainly longer, as only the direct route (as the crow flies) between Kamalpur and Bhairab Bāzār has been calculated here.
Air line (approximately)
89 kilometers
48 nautical miles