The calculated distance (air line) between Bouéni and M'Tsangamouji is approximately 10 miles respectively 16 kilometers.
By car or train, the actual journey to M'Tsangamouji is certainly longer, as only the direct route (as the crow flies) between Bouéni and M'Tsangamouji has been calculated here.
Air line (approximately)
16 kilometers
9 nautical miles