The calculated distance (air line) between Villefranche-sur-Mer and Grenoble is approximately 129 miles respectively 207 kilometers.
By car or train, the actual journey to Grenoble is certainly longer, as only the direct route (as the crow flies) between Villefranche-sur-Mer and Grenoble has been calculated here.
Air line (approximately)
207 kilometers
112 nautical miles