The calculated distance (air line) between Poste de Flacq and Pamplemousses is approximately 11 miles respectively 18 kilometers.
By car or train, the actual journey to Pamplemousses is certainly longer, as only the direct route (as the crow flies) between Poste de Flacq and Pamplemousses has been calculated here.
Air line (approximately)
18 kilometers
10 nautical miles