The calculated distance (air line) between Pābna and Bhairab Bāzār is approximately 110 miles respectively 177 kilometers.
By car or train, the actual journey to Bhairab Bāzār is certainly longer, as only the direct route (as the crow flies) between Pābna and Bhairab Bāzār has been calculated here.
Air line (approximately)
177 kilometers
95 nautical miles