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