Make sure you have enough gas in the tank, because Grenoble is worth a detour. Located 45 miles from Bourg-les-Valence, it offers a few fabulous attractions, such as Museum of Grenoble and Fort de la Bastille. Nothing screams fun like a road trip does, so keep on cruising to Lyon. It’s 55 miles away and also has a few excellent sights, such as Bellecour Square and Hôtel de Ville de Lyon.