Mailhac is about 10½ hours driving time from Calais using the Autoroutes.
Carcassonne (about 40 minutes from Mailhac by car)
Beziers (40 minutes)
Perpignan (50 minutes)
Montpellier (1¼ hours)
Nimes (1½ hours)
Toulouse (1½ hours)
Barcelona Girona (2¼ hours)
These cities and Narbonne (20 minutes) are also served by rail. If you fly or come by train, you’ll need to rent a car.