The calculated distance (air line) between Gros Islet and Chateaubelair is approximately 57 miles respectively 92 kilometers.
By car or train, the actual journey to Chateaubelair is certainly longer, as only the direct route (as the crow flies) between Gros Islet and Chateaubelair has been calculated here.
Air line (approximately)
92 kilometers
50 nautical miles