A major airport serving the Pearl River Delta, Shenzhen Bao'an International Airport (SZX) is located 32 kilometers from the Shenzhen city center. A hub for Shenzhen Airlines and Donghai Airlines and a focus city for China Southern Airlines and Hainan Airlines, a total of about 30 carriers operate at the airport, which handled about 36.3 million passengers in 2014. Non-stop flights are available between Shenzhen Bao'an International Airport and points across China. International destinations include airports in South Korea, Malaysia, Thailand and Japan. Shenzhen Bao'an International Airport has two runways and one passenger terminal with 62 gates. Ground transportation options include buses, taxis, ferries and shuttles to the Shenzhen Metro Luobao Line.