Distance from London to Sydney
16,992 km · 10,558 miles as the crow flies, about 21 h 44 min by air.
51.5000°, -0.1167° · Europe/London
-33.9200°, 151.1852° · Australia/Sydney
WGS-84 ellipsoid (Vincenty). Spherical haversine gives 16,997 km. Flight time assumes 800 km/h cruise + 30 min for taxi, climb and descent.
London to Sydney at a glance
| Straight-line distance | 16,992 km / 10,558 mi / 9,175 nmi |
|---|---|
| Estimated flight time | 21 h 44 min |
| Initial bearing | 61° (ENE) |
| Halfway point | 28.584°, 104.695° |
| London coordinates | 51.5°, -0.1167° |
| Sydney coordinates | -33.92°, 151.1852° |
Local time: London · Sydney. Sun times: sunrise and sunset in Sydney.
More routes from London
Frequently asked questions
How far is London from Sydney?
16,992 km (10,558 miles, 9,175 nautical miles) in a straight line over the Earth’s surface, measured between the city centres on the WGS-84 ellipsoid.
How long is the flight from London to Sydney?
About 21 h 44 min in still air (800 km/h cruise plus 30 minutes for taxi, climb and descent). Scheduled flights vary with winds and routing, and connecting itineraries take longer.
Which direction is Sydney from London?
The great-circle route leaves London on an initial bearing of 61° (ENE). The halfway point is near 28.58°, 104.70°.