The calculated distance (air line) between Vielha and Plaisance-du-Touch is approximately 65 miles respectively 104 kilometers.
By car or train, the actual journey to Plaisance-du-Touch is certainly longer, as only the direct route (as the crow flies) between Vielha and Plaisance-du-Touch has been calculated here.
Air line (approximately)
104 kilometers
56 nautical miles