The calculated distance (air line) between Kafrul and Bhairab Bāzār is approximately 42 miles respectively 68 kilometers.
By car or train, the actual journey to Bhairab Bāzār is certainly longer, as only the direct route (as the crow flies) between Kafrul and Bhairab Bāzār has been calculated here.
Air line (approximately)
68 kilometers
37 nautical miles