London, United Kingdom → Sydney, Australia
9,176 nautical miles · Direction: southeast
The straight-line distance from London to Sydney is 16,994 km (10,560 miles). Sydney lies roughly east-northeast of London; the initial great-circle bearing is 61° (ENE). It is an international route from United Kingdom to Australia, crossing from Europe to Oceania.
London (England, United Kingdom) sits at 51.5074°N, 0.1278°W; Sydney (New South Wales, Australia) is at 33.8688°S, 151.2093°E. The initial great-circle bearing is 61° (ENE); on a great circle the heading changes along the way.
| Mode | Figure | Basis |
|---|---|---|
| ✈️ Flight | ~21h 45min | Estimate: 800 km/h + 30 min taxi. Not a schedule; total trip time is longer. |
| 🚗 Road | No estimate | No road connection |
There is no continuous road connection between London and Sydney — the two cities sit on separate landmasses, so the journey requires air or sea transport.
The geographic halfway point of the great-circle path between London and Sydney lies at approximately 28.6721°N, 104.7967°E — the position that is an equal 8,497 km from each city along that path. It is a geometric midpoint, not a halfway point by road.
Depending on the date, Sydney (Australia/Sydney) is 9, 10 or 11 hours ahead of London (Europe/London), because daylight saving changes on different dates in the two zones or applies in only one of them.
London uses the Pound Sterling (GBP), while Sydney uses the Australian Dollar (AUD). Both share English as a primary language.
All routes in United Kingdom · All routes in Australia
All distances from London · All distances from Sydney
The straight-line distance from London to Sydney is approximately 16,994 km (10,560 miles, 9,176 nautical miles).
Sydney lies roughly east-northeast of London; the initial great-circle bearing is 61° (ENE).
Estimated flight time is about 21h 45min (great-circle distance at 800 km/h plus 30 min for taxi, take-off and landing). It is not an airline schedule; total airport-to-airport trip time is longer.
There is no continuous road connection between London and Sydney — the two cities sit on separate landmasses, so the journey requires air or sea transport.
Depending on the date, Sydney (Australia/Sydney) is 9, 10 or 11 hours ahead of London (Europe/London), because daylight saving changes on different dates in the two zones or applies in only one of them.
Straight-line distance uses the great-circle (Haversine) method. Flight and road figures, where shown, are estimates rather than schedules or live routing. How SnapDistance calculates distances