Clermont-Ferrand is situated in the central part of France in the Auvergne-Rhône-Alpes Region. It is easily reached by plane, train or by road.
By Plane:
Clermont-Ferrand airport (CFE) is connected with direct flights to Paris CDG, Paris Orly (ORY) and Amsterdam (AMS)
http://www.clermont-aeroport.com/en
Alternatively, Lyon Saint Exupery Airport (LYS), with connections to all major European cities is a 1h50min drive
By Train:
Regular train connections to Lyon and Paris
https://www.gares-sncf.com/fr/gare/frcfe/clermont-ferrand
By road:
Clermont is connected by motorways to Lyon (A89-1h40), Bordeaux (A89-3h40), Paris (A71-3h50) and Montpellier (A75-3h20)