Distance from London to Sydney
The great-circle distance between London, United Kingdom and Sydney, Australia is 16,994 km (10,559 mi · 9,176 nmi) — the shortest possible route over the Earth's surface, the path aircraft approximately follow.
The numbers
- Great-circle distance
- 16,994 km · 10,559 mi · 9,176 nmi
- Initial bearing London → Sydney
- 61° (ENE)
- Initial bearing Sydney → London
- 319° (NW)
- Nonstop flight (rough estimate)
- ≈ 20 h 39 min
- Time zones
- London UTC+01:00 · Sydney UTC+10:00 (+9 h)
- Sunrise gap today
- 603 min — the sun rises later in London
Flight time is a cruise-speed approximation (no routing/wind); driving distance depends on roads and is typically 20–40% longer than great-circle.
The two cities
- London
- 51.5085, -0.1257
- Sunrise / sunset today
- 05:48 UTC / 17:59 UTC
- Sydney
- -33.8678, 151.2073
- Sunrise / sunset today
- 19:45 UTC / 07:52 UTC
Open in the distance calculator Find the halfway point
Distances here are straight-line (great-circle). Road routes typically run 1.2–1.4× longer — here's why, with the visual.