Day City Seeing
1 Evening in Paris
2 Paris
3 Paris
4 Paris Versaille
5 Chartres cathedral of Chartres
6 Chinon drive south to the Loire Valley (3 hours)
7 Parc naturel regional Loire-Anjou Castles
8 Parc naturel regional Loire-Anjou Château de Villandry,
9 Parc naturel regional Loire-Anjou Castles
10 Oradour-sur-Glane and Sarlat Fortified hill towns, caves, and meandering streams, market town of Sarlat- pedestrian friendly
11 Oradour-sur-Glane and Sarlat Fortified hill towns, caves, and meandering streams, market town of Sarlat- pedestrian friendly
12 Carcasonne
13 Carcasonne Expore city
14 Montpiller last day in France
15 Montpiller Fly home from this city
are you flying home from both Montpellier and from Munich?
You have two threads with 2 completely different routes, both beginning and ending the trip. That's confusing.
https://community.ricksteves.com/travel-forum/germany/is-this-a-feasible-itinerary is where you gove the other list.
It is feasible in the sense that you can do it (though I assume "Oradour...and Sarlat" two days running is a typo as the two are far apart).
But I think that everything after the Loire is too much driving and too little sightseeing. A better trip would need more time for the SW.
Unless you want to upend everything, I would suggest saving the SW for another trip and adding Alsace, Burgundy, or Lyon, flying home from Paris. Or Provence via rail, flying home from Marseilles or, if you prefer, Montpelier.