The calculated distance (air line) between Sédhiou and Ndibène Dahra is approximately 182 miles respectively 292 kilometers.
By car or train, the actual journey to Ndibène Dahra is certainly longer, as only the direct route (as the crow flies) between Sédhiou and Ndibène Dahra has been calculated here.
Air line (approximately)
292 kilometers
158 nautical miles