King Khalid International Airport is an international airport located about 35 kilometres (22 mi) north of Riyadh, Saudi Arabia. This airport consists of five passenger terminals with eight aero-bridges each, a mosque, and parking facilities for 11,600 vehicles. It includes a "Royal Terminal" designated for use by government officials, state guests, and the Saudi royal family. The airport has one of the world's tallest air traffic control towers, and two parallel runways, each 4,260 metres (13,980 ft) in length. It is one of the busiest airports in the Middle East. The airport is owned and operated by the state-owned Riyadh Airports Company.