Planning context
A map does not show travel friction.
Distance alone misses checkout time, station transfers, luggage, car collection, parking, and the energy needed to orient in a new base.
Judge a transfer by the usable day it leaves behind, not only by scheduled travel time.
Rail and car support different trips.
Paris is naturally rail-led. Parts of the Loire can work with trains and selective transfers. Dordogne's classic villages and caves are far more flexible by car. Aix itself is walkable, while wider Provence changes the equation.
Rent a car for the days it solves, not automatically for the entire journey.
The base should make evenings and hard days easier.
Choose a base that works after a long museum day, cave visit, rural drive, or late arrival. Dinner and return logistics matter as much as morning departure.
A scenic property is only a strong choice when its access, parking, and evening plan are clear.