The calculated distance (air line) between Bibir Hat and Uttar Char Fasson is approximately 76 miles respectively 122 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 Bibir Hat and Uttar Char Fasson has been calculated here.
Air line (approximately)
122 kilometers
66 nautical miles