The calculated distance (air line) between Valfin-lès-Saint-Claude and Grenoble is approximately 87 miles respectively 140 kilometers.
By car or train, the actual journey to Grenoble is certainly longer, as only the direct route (as the crow flies) between Valfin-lès-Saint-Claude and Grenoble has been calculated here.
Air line (approximately)
140 kilometers
76 nautical miles