The calculated distance (air line) between Nārāyanganj and Shāhzādpur is approximately 69 miles respectively 111 kilometers.
By car or train, the actual journey to Shāhzādpur is certainly longer, as only the direct route (as the crow flies) between Nārāyanganj and Shāhzādpur has been calculated here.
Air line (approximately)
111 kilometers
60 nautical miles