The calculated distance (air line) between Borotou-Koro and Duekoué is approximately 121 miles respectively 195 kilometers.
By car or train, the actual journey to Duekoué is certainly longer, as only the direct route (as the crow flies) between Borotou-Koro and Duekoué has been calculated here.
Air line (approximately)
195 kilometers
105 nautical miles