The calculated distance (air line) between Beau Bassin-Rose Hill and Grand Gaube is approximately 20 miles respectively 32 kilometers.
By car or train, the actual journey to Grand Gaube is certainly longer, as only the direct route (as the crow flies) between Beau Bassin-Rose Hill and Grand Gaube has been calculated here.
Air line (approximately)
32 kilometers
17 nautical miles