The busiest airport Qatar Airways CDG Terminal largest in France is Charles de Gaulle Airport, which is situated in Roissy-en-France, close to Paris. designed Terminal 1 is well known for its distinctive octopus-like shape. Seven satellite buildings circle the center building, all of which are joined by underground passageways to form a unique circular structure. As the main hub for international travel, this terminal is appropriate for Qatar Airways, which offers long-haul flights .