The calculated distance (air line) between Nārāyanganj and Tāngāil is approximately 57 miles respectively 93 kilometers.
By car or train, the actual journey to Tāngāil is certainly longer, as only the direct route (as the crow flies) between Nārāyanganj and Tāngāil has been calculated here.
Air line (approximately)
93 kilometers
50 nautical miles