The calculated distance (air line) between Badarpur and Maulavi Bāzār is approximately 58 miles respectively 93 kilometers.
By car or train, the actual journey to Maulavi Bāzār is certainly longer, as only the direct route (as the crow flies) between Badarpur and Maulavi Bāzār has been calculated here.
Air line (approximately)
93 kilometers
50 nautical miles