The calculated distance (air line) between Burhānuddin and Nārāyanganj is approximately 79 miles respectively 126 kilometers.
By car or train, the actual journey to Nārāyanganj is certainly longer, as only the direct route (as the crow flies) between Burhānuddin and Nārāyanganj has been calculated here.
Air line (approximately)
126 kilometers
68 nautical miles