The calculated distance (air line) between Beau Bassin-Rose Hill and Grand Bois is approximately 14 miles respectively 22 kilometers.
By car or train, the actual journey to Grand Bois is certainly longer, as only the direct route (as the crow flies) between Beau Bassin-Rose Hill and Grand Bois has been calculated here.
Air line (approximately)
22 kilometers
12 nautical miles