The calculated distance (air line) between Amarpur and Maulavi Bāzār is approximately 67 miles respectively 108 kilometers.
By car or train, the actual journey to Maulavi Bāzār is certainly longer, as only the direct route (as the crow flies) between Amarpur and Maulavi Bāzār has been calculated here.
Air line (approximately)
108 kilometers
58 nautical miles