The calculated distance (air line) between Uttar Char Fasson and Bhāndāria is approximately 45 miles respectively 73 kilometers.
By car or train, the actual journey to Bhāndāria is certainly longer, as only the direct route (as the crow flies) between Uttar Char Fasson and Bhāndāria has been calculated here.
Air line (approximately)
73 kilometers
39 nautical miles