High Quality Content by WIKIPEDIA articles! Singapore Changi Airport or simply Changi Airport is a major aviation hub in Asia, particularly in the Southeast Asian region, and is the main airport in Singapore. Located in Changi on a site of 13 square kilometres (5.0 sq mi), it is about 17.2 kilometres (10.7 mi) north-east from the commercial centre. The airport is operated by the Changi Airport Group and is the home base of Singapore Airlines, Singapore Airlines Cargo, SilkAir, Tiger Airways, Jetstar Asia Airways, Valuair, and Jett8 Airlines Cargo. It is a secondary hub for Qantas, which uses Singapore as the main stopover point for flights on the Kangaroo Route between Australia and Europe; it being the largest foreign airline to operate from the airport with over two million passengers handled annually As of April 2008, there are about 4,340 weekly flights operated by 80 airlines to over 130 cities in 59 countries.