If you want to know how far it is between London and Sydney, the straight line distance is 10,558 miles
or 16,991 kilometers
If you are a pilot flying a private plane, you can fly straight from London, United Kingdom to Sydney, Australia for a total flight time of 21 hours, 37 minutes
Book a flight:
If you're a traveler planning a trip and you want to book a commercial flight, you can try searching for flights between LHR and SYD.