The calculated distance (air line) between M'Tsangamouji and Kaouéni is approximately 10 miles respectively 15 kilometers.
By car or train, the actual journey to Kaouéni is certainly longer, as only the direct route (as the crow flies) between M'Tsangamouji and Kaouéni has been calculated here.
Air line (approximately)
15 kilometers
8 nautical miles