The calculated distance (air line) between Tamarin and Poste de Flacq is approximately 26 miles respectively 42 kilometers.
By car or train, the actual journey to Poste de Flacq is certainly longer, as only the direct route (as the crow flies) between Tamarin and Poste de Flacq has been calculated here.
Air line (approximately)
42 kilometers
22 nautical miles