The calculated distance (air line) between La Valette-du-Var and Grenoble is approximately 142 miles respectively 228 kilometers.
By car or train, the actual journey to Grenoble is certainly longer, as only the direct route (as the crow flies) between La Valette-du-Var and Grenoble has been calculated here.
Air line (approximately)
228 kilometers
123 nautical miles