The calculated distance (air line) between Feni and Uttar Char Fasson is approximately 70 miles respectively 112 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 Feni and Uttar Char Fasson has been calculated here.
Air line (approximately)
112 kilometers
61 nautical miles