Paris Orly Airport is an international airport and one of two airports serving the capital of France, Paris, the other one is the larger Paris Charles de Gaulle Airport. The airport is located about 15 km south of the city center and is with 30 million passengers a year the second busiest airport in France. Before the construction of Charles de Gaulle Airport (CDG), Orly Airport was the main airport for Paris and although most international traffic has been transferred to CDG, Orly has more domestic flights.