Located three miles northeast of downtown Boston, more than 31 million travelers pass through Logan International Airport (BOS) each year. Cape Air, Delta Air Lines and PenAir have designated the airport as a hub, and JetBlue Airways has designated it as a focus city. Passengers can fly non-stop between BOS and destinations in North America, the Caribbean, Latin America, Europe, the Middle East and Asia. Logan International Airport has six runways and four passenger terminals (Terminal A, Terminal B, Terminal C and Terminal D) with a total of 103 gates. Passenger amenities at the airport include free WIFI internet, sit-down and take-out restaurants, ATMs, children's play areas, a USO Lounge, currency exchanges and art exhibits.