Soewondo Air Force Base is currently a military airbase in Medan, North Sumatra, Indonesia. Before 2013, this airport served commercial flights, and was known as Polonia International Airport which was the principal airport serving Medan, about 2 km (1.2 mi) from the downtown; it used to serve flights to several Indonesian and Malaysian cities, along with a flight to Singapore and Thailand. Previous international flights had been opened to Hong Kong, Taipei, Amsterdam, Abu Dhabi, Phuket, Chennai, Johor Bahru, Malacca and Ipoh.