The calculated distance (air line) between Bon Accueil and Beau Vallon is approximately 17 miles respectively 28 kilometers.
By car or train, the actual journey to Beau Vallon is certainly longer, as only the direct route (as the crow flies) between Bon Accueil and Beau Vallon has been calculated here.
Air line (approximately)
28 kilometers
15 nautical miles