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