In the heart of Provence, all the most famous sites are accessible during the day :

Ste Victoire and Aix en Provence (30mn)
Marseille and the blue coast (45mn)
The Luberon (45mn)
The Alpilles and the Camargue (1 h)
Gorges du Verdon (1 hour)
Cassis and the Calanques (1 h)