How far is Seattle, WA, from London?
The distance between London (London Heathrow Airport) and Seattle (Seattle–Tacoma International Airport) is 4800 miles / 7725 kilometers / 4171 nautical miles.
London Heathrow Airport – Seattle–Tacoma International Airport
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Distance from London to Seattle
There are several ways to calculate the distance from London to Seattle. Here are two standard methods:
Vincenty's formula (applied above)- 4800.220 miles
- 7725.205 kilometers
- 4171.277 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- 4785.859 miles
- 7702.094 kilometers
- 4158.798 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 London to Seattle?
The estimated flight time from London Heathrow Airport to Seattle–Tacoma International Airport is 9 hours and 35 minutes.
What is the time difference between London and Seattle?
The time difference between London and Seattle is 8 hours. Seattle is 8 hours behind London.
Flight carbon footprint between London Heathrow Airport (LHR) and Seattle–Tacoma International Airport (SEA)
On average, flying from London to Seattle generates about 558 kg of CO2 per passenger, and 558 kilograms equals 1 230 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path from London to Seattle
See the map of the shortest flight path between London Heathrow Airport (LHR) and Seattle–Tacoma International Airport (SEA).
Airport information
| Origin | London Heathrow Airport |
|---|---|
| City: | London |
| Country: | United Kingdom  |
| IATA Code: | LHR |
| ICAO Code: | EGLL |
| Coordinates: | 51°28′14″N, 0°27′42″W |
| Destination | Seattle–Tacoma International Airport |
|---|---|
| City: | Seattle, WA |
| Country: | United States  |
| IATA Code: | SEA |
| ICAO Code: | KSEA |
| Coordinates: | 47°26′56″N, 122°18′32″W |
Airlines flying from London (LHR) to Seattle (SEA)
| Air France |
| American Airlines |
| British Airways |
| Delta Air Lines |
| Finnair |
| Iberia Airlines |
| KLM |
| Virgin Atlantic Airways |