The calculated distance (air line) between Saint-Maximin-la-Sainte-Baume and La Ciotat is approximately 23 miles respectively 37 kilometers.
By car or train, the actual journey to La Ciotat is certainly longer, as only the direct route (as the crow flies) between Saint-Maximin-la-Sainte-Baume and La Ciotat has been calculated here.
Air line (approximately)
37 kilometers
20 nautical miles