The calculated distance (air line) between Fond du Sac and Centre de Flacq is approximately 13 miles respectively 21 kilometers.
By car or train, the actual journey to Centre de Flacq is certainly longer, as only the direct route (as the crow flies) between Fond du Sac and Centre de Flacq has been calculated here.
Air line (approximately)
21 kilometers
11 nautical miles