How far is London from Seattle, WA?
The distance between Seattle (Seattle Boeing Field) and London (London Heathrow Airport) is 4795 miles / 7717 kilometers / 4167 nautical miles.
Seattle Boeing Field – London Heathrow Airport
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Distance from Seattle to London
There are several ways to calculate the distance from Seattle to London. Here are two standard methods:
Vincenty's formula (applied above)- 4795.421 miles
- 7717.481 kilometers
- 4167.107 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- 4781.060 miles
- 7694.371 kilometers
- 4154.628 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 London?
The estimated flight time from Seattle Boeing Field to London Heathrow Airport is 9 hours and 34 minutes.
What is the time difference between Seattle and London?
The time difference between Seattle and London is 8 hours. London is 8 hours ahead of Seattle.
Flight carbon footprint between Seattle Boeing Field (BFI) and London Heathrow Airport (LHR)
On average, flying from Seattle to London generates about 557 kg of CO2 per passenger, and 557 kilograms equals 1 229 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path from Seattle to London
See the map of the shortest flight path between Seattle Boeing Field (BFI) and London Heathrow Airport (LHR).
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 | London Heathrow Airport |
|---|---|
| City: | London |
| Country: | United Kingdom  |
| IATA Code: | LHR |
| ICAO Code: | EGLL |
| Coordinates: | 51°28′14″N, 0°27′42″W |