The calculated distance (air line) between Puget-sur-Argens and Grenoble is approximately 128 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 Puget-sur-Argens and Grenoble has been calculated here.
Air line (approximately)
207 kilometers
111 nautical miles