The calculated distance (air line) between Nāgarpur and Nārāyanganj is approximately 50 miles respectively 81 kilometers.
By car or train, the actual journey to Nārāyanganj is certainly longer, as only the direct route (as the crow flies) between Nāgarpur and Nārāyanganj has been calculated here.
Air line (approximately)
81 kilometers
43 nautical miles