The calculated distance (air line) between Paotana Hat and Nārāyanganj is approximately 155 miles respectively 249 kilometers.
By car or train, the actual journey to Nārāyanganj is certainly longer, as only the direct route (as the crow flies) between Paotana Hat and Nārāyanganj has been calculated here.
Air line (approximately)
249 kilometers
135 nautical miles