The fifth busiest airport in Europe, Amsterdam Airport Schiphol (AMS) is the Netherland's primary international airport. In 2013, more than 52.5 million travelers passed through the airport, which is located six miles southwest of the city. More than 105 commercial carriers fly to and from Schiphol, including Arke, Corendon Dutch Airlines, Delta Air Lines, easyJet, KLM, KLM Cityhopper, Transavia and Vueling, which have all designated the airport as a hub. Passengers can fly non-stop between AMS and about 300 destinations in Europe, the Middle East, Africa, Asia, North America, the Caribbean and South America. Schiphol passenger amenities include retail stores, restaurants and bars, ATMs and currency exchanges, meeting rooms, free WIFI internet, an airport library, onsite hotels, massage chairs and spas.