The calculated distance (air line) between Bagnols-sur-Cèze and Grenoble is approximately 88 miles respectively 142 kilometers.
By car or train, the actual journey to Grenoble is certainly longer, as only the direct route (as the crow flies) between Bagnols-sur-Cèze and Grenoble has been calculated here.
Air line (approximately)
142 kilometers
77 nautical miles