The calculated distance (air line) between Rangpur and Maulavi Bāzār is approximately 180 miles respectively 290 kilometers.
By car or train, the actual journey to Maulavi Bāzār is certainly longer, as only the direct route (as the crow flies) between Rangpur and Maulavi Bāzār has been calculated here.
Air line (approximately)
290 kilometers
156 nautical miles