The calculated distance (air line) between Pamplemousses and Chemin Grenier is approximately 27 miles respectively 44 kilometers.
By car or train, the actual journey to Chemin Grenier is certainly longer, as only the direct route (as the crow flies) between Pamplemousses and Chemin Grenier has been calculated here.
Air line (approximately)
44 kilometers
24 nautical miles