The calculated distance (air line) between Pointe-Noire and Anse-Bertrand is approximately 25 miles respectively 40 kilometers.
By car or train, the actual journey to Anse-Bertrand is certainly longer, as only the direct route (as the crow flies) between Pointe-Noire and Anse-Bertrand has been calculated here.
Air line (approximately)
40 kilometers
22 nautical miles