The calculated distance (air line) between Parbatipur and Nārāyanganj is approximately 173 miles respectively 278 kilometers.
By car or train, the actual journey to Nārāyanganj is certainly longer, as only the direct route (as the crow flies) between Parbatipur and Nārāyanganj has been calculated here.
Air line (approximately)
278 kilometers
150 nautical miles