The calculated distance (air line) between Petite-Île and Sainte-Suzanne is approximately 31 miles respectively 50 kilometers.
By car or train, the actual journey to Sainte-Suzanne is certainly longer, as only the direct route (as the crow flies) between Petite-Île and Sainte-Suzanne has been calculated here.
Air line (approximately)
50 kilometers
27 nautical miles