The calculated distance (air line) between Béréni-Dialla and Duekoué is approximately 93 miles respectively 150 kilometers.
By car or train, the actual journey to Duekoué is certainly longer, as only the direct route (as the crow flies) between Béréni-Dialla and Duekoué has been calculated here.
Air line (approximately)
150 kilometers
81 nautical miles