Distance from London Heathrow Airport to Sydney Kingsford Smith International Airport
Great-circle distance, compass bearing and a transit estimate between London Heathrow Airport (LHR) and Sydney Kingsford Smith International Airport (SYD).
initial heading from London Heathrow Airport
nonstop, airborne
About the London Heathrow Airport–Sydney Kingsford Smith International Airport route
The great-circle (straight-line) distance from London Heathrow Airport (LHR) in United Kingdom to Sydney Kingsford Smith International Airport (SYD) in Australia is approximately 17,021 km — that is 9,190 nautical miles or 10,576 statute miles. The initial heading from London Heathrow Airport is about 60° (east-northeast).
A nonstop flight covering this distance is roughly 19h 57m in the air, based on a typical jet cruise speed with an allowance for taxi, climb and descent. Scheduled block times are usually a little longer, and routings bend for winds, airspace and air-traffic flow.
How this is calculated
The distance is the great-circle (orthodromic) distance between the published coordinates of London Heathrow Airport and Sydney Kingsford Smith International Airport — the shortest path over the Earth’s surface. Actual flight paths are longer, following airways, winds and airspace. Transit figures are planning approximations, not schedules.
Frequently asked questions
How far is London Heathrow Airport from Sydney Kingsford Smith International Airport?
The great-circle distance from London Heathrow Airport (LHR) to Sydney Kingsford Smith International Airport (SYD) is about 17,021 km (9,190 nautical miles / 10,576 miles).
What direction is Sydney Kingsford Smith International Airport from London Heathrow Airport?
Setting out from London Heathrow Airport, the initial bearing to Sydney Kingsford Smith International Airport is about 60°, which is roughly east-northeast.
How long is the flight from London Heathrow Airport to Sydney Kingsford Smith International Airport?
A nonstop flight is approximately 19h 57m airborne at a typical cruise speed. Published block times are usually somewhat longer.