SNCF codeshares with Air Austral, Air France, Air Tahiti Nui, American Airlines, Cathay Pacific, Middle East Airlines, Etihad Airways, Qatar Airways, and SriLankan Airlines. In exchange, SNCF allows passengers on these flights to book railway services between Charles de Gaulle Airport in Roissy (near Paris) and Aix-en-Provence, Angers, Avignon, Bordeaux, Le Mans, Lille, Lyon Part-Dieu, Marseille, Montpellier, Nantes, Nîmes, Poitiers, Rennes, Strasbourg, Tours, and Valence with their airline. The IATA designator used by airlines in connection with these journeys is 2C.
