The calculated distance (air line) between Ross-Bétio and Bargny Ngoude is approximately 131 miles respectively 211 kilometers.
By car or train, the actual journey to Bargny Ngoude is certainly longer, as only the direct route (as the crow flies) between Ross-Bétio and Bargny Ngoude has been calculated here.
Air line (approximately)
211 kilometers
114 nautical miles