How far is Seattle, WA, from Sydney?
The distance between Sydney (Sydney Airport) and Seattle (Seattle Boeing Field) is 7742 miles / 12460 kilometers / 6728 nautical miles.
Sydney Airport – Seattle Boeing Field
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Distance from Sydney to Seattle
There are several ways to calculate the distance from Sydney to Seattle. Here are two standard methods:
Vincenty's formula (applied above)- 7742.262 miles
- 12459.963 kilometers
- 6727.842 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- 7752.589 miles
- 12476.582 kilometers
- 6736.815 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 Sydney to Seattle?
The estimated flight time from Sydney Airport to Seattle Boeing Field is 15 hours and 9 minutes.
What is the time difference between Sydney and Seattle?
The time difference between Sydney and Seattle is 19 hours. Seattle is 19 hours behind Sydney.
Flight carbon footprint between Sydney Airport (SYD) and Seattle Boeing Field (BFI)
On average, flying from Sydney to Seattle generates about 961 kg of CO2 per passenger, and 961 kilograms equals 2 118 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path from Sydney to Seattle
See the map of the shortest flight path between Sydney Airport (SYD) and Seattle Boeing Field (BFI).
Airport information
| Origin | Sydney Airport |
|---|---|
| City: | Sydney |
| Country: | Australia  |
| IATA Code: | SYD |
| ICAO Code: | YSSY |
| Coordinates: | 33°56′45″S, 151°10′37″E |
| Destination | Seattle Boeing Field |
|---|---|
| City: | Seattle, WA |
| Country: | United States  |
| IATA Code: | BFI |
| ICAO Code: | KBFI |
| Coordinates: | 47°31′47″N, 122°18′7″W |