The calculated distance (air line) between Burhānuddin and Uttar Char Fasson is approximately 19 miles respectively 30 kilometers.
By car or train, the actual journey to Uttar Char Fasson is certainly longer, as only the direct route (as the crow flies) between Burhānuddin and Uttar Char Fasson has been calculated here.
Air line (approximately)
30 kilometers
16 nautical miles