London is one of the largest cities in Europe and has been an important trading centre. This metropolis is served by Gatwick, Heathrow and several other airports. Of all these airports, Heathrow and Gatwick are internationally known. Heathrow Airport is located in Hillingdon, and is located 22 kilometres from central London.
Flights from London to Sydney not only take off from Heathrow, but also from Gatwick, Luton, Southend, Stansted and London City airports. Gatwick is the second most popular airport of the six airports that serve the city of London. Gatwick is located in the faraway suburb of West Sussex, almost 48 kilometres from central London.