Sydney Kingsford Smith Airport has been in continuous operation since the 1920s, making it one of the longest continuously operating commercial airports in the world, and it is the busiest airport in Australia and Qantas's primary hub. The current schedule feed lists 110 airports in 34 countries connected to Sydney.
It is built on the shore of Botany Bay, so one runway extends out over the water and arriving flights sweep in low across the bay — on a northern approach, past the Harbour Bridge and Opera House.
The most frequently served routes for Sydney Kingsford Smith International Airport connect to Melbourne (MEL), Brisbane (BNE) and Auckland (AKL).
The longest connected route for Sydney Kingsford Smith International Airport reaches London (LHR). This flight covers a distance of 10,576 miles (17,021 km).