The calculated distance (air line) between Saint-Joseph and Piton Saint-Leu is approximately 22 miles respectively 36 kilometers.
By car or train, the actual journey to Piton Saint-Leu is certainly longer, as only the direct route (as the crow flies) between Saint-Joseph and Piton Saint-Leu has been calculated here.
Air line (approximately)
36 kilometers
19 nautical miles