Here is our possible itinerary
Fly from NYC to Marseille on 7/19
Stay for 3 nights.
Take train to Nice on the 7/22
Stay in a nearby town until 7/29 (7 Nights)
Take train to Lyon
7/29 to 8/2 (4 Nights)
Train to Paris on 8/2 (2 Nights)
Fly home on 8/4
We have both spent time in Paris and in Nice. Neither of us has been to Marseille and Lyon
Thoughts?