Flight Distance: London to Sydney
17,020
Kilometres (km)
10,576
Miles (mi)
9,190
Nautical miles
About this flight distance
The great circle distance from London to Sydney is approximately 17,020 km. The typical flight time is 20h 31m.
This is the shortest possible distance between the two cities as the crow flies. Real flight paths are often slightly longer due to air traffic control routing, weather, and airspace restrictions.
Related route pages
Frequently Asked Questions
The great-circle distance from London to Sydney is approximately 17,020 km (10,576 miles).