The calculated distance (air line) between Maulavi Bāzār and Lakhipur is approximately 81 miles respectively 130 kilometers.
By car or train, the actual journey to Lakhipur is certainly longer, as only the direct route (as the crow flies) between Maulavi Bāzār and Lakhipur has been calculated here.
Air line (approximately)
130 kilometers
70 nautical miles