The calculated distance (air line) between Dinājpur and Bhairab Bāzār is approximately 183 miles respectively 294 kilometers.
By car or train, the actual journey to Bhairab Bāzār is certainly longer, as only the direct route (as the crow flies) between Dinājpur and Bhairab Bāzār has been calculated here.
Air line (approximately)
294 kilometers
159 nautical miles