The calculated distance (air line) between Croix-des-Bouquets and Grangwav is approximately 37 miles respectively 60 kilometers.
By car or train, the actual journey to Grangwav is certainly longer, as only the direct route (as the crow flies) between Croix-des-Bouquets and Grangwav has been calculated here.
Air line (approximately)
60 kilometers
32 nautical miles