Distance from London to Sydney
United Kingdom · Australia
The straight-line distance from London to Sydney is about 16,994 km (10,560 miles). A non-stop flight ≈ 21h 45m.
Kilometres
16,994 km
Miles
10,560 mi
Nautical mi
9,176 nmi
≈ Flight time
21h 45m
Other distances from London
FAQ — London to Sydney
What is the distance from London to Sydney?
The straight-line distance from London to Sydney is about 16,994 km (10,560 miles).
How long is the flight from London to Sydney?
Approximately 21h 45m for a non-stop flight (at ~800 km/h plus taxi/take-off/landing). Actual time varies.
Is this the straight-line distance?
Yes — it is the great-circle distance between the cities’ coordinates. Road or rail distance is longer.