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How far is London from Seattle, WA?

The distance between Seattle (Seattle Boeing Field) and London (Luton Airport) is 4776 miles / 7686 kilometers / 4150 nautical miles.

Seattle Boeing Field – Luton Airport

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4776
Miles
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7686
Kilometers
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4150
Nautical miles

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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)
  • 4775.831 miles
  • 7685.955 kilometers
  • 4150.084 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
  • 4761.482 miles
  • 7662.862 kilometers
  • 4137.615 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 Luton Airport is 9 hours and 32 minutes.

Flight carbon footprint between Seattle Boeing Field (BFI) and Luton Airport (LTN)

On average, flying from Seattle to London generates about 555 kg of CO2 per passenger, and 555 kilograms equals 1 223 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 Luton Airport (LTN).

Airport information

Origin Seattle Boeing Field
City: Seattle, WA
Country: United States Flag of United States
IATA Code: BFI
ICAO Code: KBFI
Coordinates: 47°31′47″N, 122°18′7″W
Destination Luton Airport
City: London
Country: United Kingdom Flag of United Kingdom
IATA Code: LTN
ICAO Code: EGGW
Coordinates: 51°52′28″N, 0°22′5″W