10 Days in Paris
Take the train from Paris to Nice and spend one week in Nice
Take the ferry from Nice to Calvi, Corsica and 4 days in Calvi
Take a ferry boat from Calvi to Ajaccio, Corsica and spend 3 days in Ajaccio
Take the ferry from Ajaccio to Toulon, France for three days
Then a short ride to Cassis and spend three days
Take the train to Paris and fly home.