How far is London from Seattle, WA?

The distance between Seattle (Seattle–Tacoma International Airport) and London (London City Airport) is 4812 miles / 7744 kilometers / 4181 nautical miles.

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)

• 4811.982 miles
• 7744.135 kilometers
• 4181.498 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

• 4797.585 miles
• 7720.965 kilometers
• 4168.988 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–Tacoma International Airport to London City Airport is 9 hours and 36 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–Tacoma International Airport (SEA) and London City Airport (LCY)

On average, flying from Seattle to London generates about 559 kg of CO2 per passenger, and 559 kilograms equals 1 233 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–Tacoma International Airport (SEA) and London City Airport (LCY).

Airport information

Origin	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

Destination	London City Airport
City:	London
Country:	United Kingdom
IATA Code:	LCY
ICAO Code:	EGLC
Coordinates:	51°30′19″N, 0°3′19″E