There is no option to travel by bus/coach.
You can travel by train but it will take about 8 hours in daytime, 10 - 12 hours overnight. You can look at the options at www.voyages-sncf.com and you must select the exact date you wish to travel as reservation is essential.
Some journey options require you to go to Paris and then back down to the south.
If you can hire a car, it is about 8 hours driving.
Be the first to rate this answer!