The calculated distance (air line) between La Colle-sur-Loup and Grenoble is approximately 124 miles respectively 199 kilometers.
By car or train, the actual journey to Grenoble is certainly longer, as only the direct route (as the crow flies) between La Colle-sur-Loup and Grenoble has been calculated here.
Air line (approximately)
199 kilometers
108 nautical miles