The calculated distance (air line) between Koungneul Sossé and Niakoul Rab is approximately 174 miles respectively 280 kilometers.
By car or train, the actual journey to Niakoul Rab is certainly longer, as only the direct route (as the crow flies) between Koungneul Sossé and Niakoul Rab has been calculated here.
Air line (approximately)
280 kilometers
151 nautical miles