London to Sydney distance
The flight distance from London to Sydney is 16,994 km (10,560 miles), about 21 h 45 min in the air.
- Kilometres
- 16,994 km
- Miles
- 10,560 mi
- Nautical miles
- 9,176 nmi
- Flight time (est.)
- 21 h 45 min
- Initial heading
- 61° ENE
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About this route
16,994 km is the great-circle distance, the shortest path over Earth's surface between the two city centres. On a long route like this the shortest path bends noticeably toward the pole on a flat map, which is why flights from London to Sydney can pass over places that look out of the way.
The distance is the same in both directions.
Frequently asked questions
How far is London from Sydney?
The straight-line (great-circle) distance from London to Sydney is about 16,994 km, or 10,560 miles (9,176 nautical miles).
How long is a flight from London to Sydney?
A non-stop flight takes roughly 21 h 45 min based on a typical 800 km/h cruise speed plus take-off and landing. Actual scheduled times vary with wind and routing; westbound flights across the Atlantic or Pacific are usually slower because of the jet stream.
Which direction is Sydney from London?
Leaving London, the shortest route starts on a heading of about 61° (ENE).