The calculated distance (air line) between Delmas 73 and Fond Parisien is approximately 21 miles respectively 34 kilometers.
By car or train, the actual journey to Fond Parisien is certainly longer, as only the direct route (as the crow flies) between Delmas 73 and Fond Parisien has been calculated here.
Air line (approximately)
34 kilometers
18 nautical miles