How far is Sydney from Seattle, WA?
The distance between Seattle (Seattle Boeing Field) and Sydney (Sydney/J.A. Douglas McCurdy Airport) is 2871 miles / 4620 kilometers / 2495 nautical miles.
The driving distance from Seattle (BFI) to Sydney (YQY) is 3635 miles / 5850 kilometers, and travel time by car is about 69 hours 23 minutes.
Seattle Boeing Field – Sydney/J.A. Douglas McCurdy Airport
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Distance from Seattle to Sydney
There are several ways to calculate the distance from Seattle to Sydney. Here are two standard methods:
Vincenty's formula (applied above)- 2870.804 miles
- 4620.112 kilometers
- 2494.661 nautical miles
Vincenty's formula calculates the distance between latitude/longitude points on the earth's surface using an ellipsoidal model of the planet.
Haversine formula- 2862.506 miles
- 4606.757 kilometers
- 2487.450 nautical miles
The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance – the shortest distance between two points).
How long does it take to fly from Seattle to Sydney?
The estimated flight time from Seattle Boeing Field to Sydney/J.A. Douglas McCurdy Airport is 5 hours and 56 minutes.
What is the time difference between Seattle and Sydney?
The time difference between Seattle and Sydney is 4 hours. Sydney is 4 hours ahead of Seattle.
Flight carbon footprint between Seattle Boeing Field (BFI) and Sydney/J.A. Douglas McCurdy Airport (YQY)
On average, flying from Seattle to Sydney generates about 319 kg of CO2 per passenger, and 319 kilograms equals 703 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Seattle to Sydney
See the map of the shortest flight path between Seattle Boeing Field (BFI) and Sydney/J.A. Douglas McCurdy Airport (YQY).
Airport information
| Origin | Seattle Boeing Field |
|---|---|
| City: | Seattle, WA |
| Country: | United States  |
| IATA Code: | BFI |
| ICAO Code: | KBFI |
| Coordinates: | 47°31′47″N, 122°18′7″W |
| Destination | Sydney/J.A. Douglas McCurdy Airport |
|---|---|
| City: | Sydney |
| Country: | Canada  |
| IATA Code: | YQY |
| ICAO Code: | CYQY |
| Coordinates: | 46°9′41″N, 60°2′52″W |