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How far is Seattle, WA, from Seoul?

The distance between Seoul (Seoul Incheon International Airport) and Seattle (Seattle–Tacoma International Airport) is 5217 miles / 8396 kilometers / 4533 nautical miles.

Seoul Incheon International Airport – Seattle–Tacoma International Airport

Distance arrow
5217
Miles
Distance arrow
8396
Kilometers
Distance arrow
4533
Nautical miles

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Distance from Seoul to Seattle

There are several ways to calculate the distance from Seoul to Seattle. Here are two standard methods:

Vincenty's formula (applied above)
  • 5216.922 miles
  • 8395.821 kilometers
  • 4533.381 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
  • 5203.796 miles
  • 8374.698 kilometers
  • 4521.975 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 Seoul to Seattle?

The estimated flight time from Seoul Incheon International Airport to Seattle–Tacoma International Airport is 10 hours and 22 minutes.

Flight carbon footprint between Seoul Incheon International Airport (ICN) and Seattle–Tacoma International Airport (SEA)

On average, flying from Seoul to Seattle generates about 612 kg of CO2 per passenger, and 612 kilograms equals 1 350 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Seoul to Seattle

See the map of the shortest flight path between Seoul Incheon International Airport (ICN) and Seattle–Tacoma International Airport (SEA).

Airport information

Origin Seoul Incheon International Airport
City: Seoul
Country: South Korea Flag of South Korea
IATA Code: ICN
ICAO Code: RKSI
Coordinates: 37°27′36″N, 126°26′26″E
Destination Seattle–Tacoma International Airport
City: Seattle, WA
Country: United States Flag of United States
IATA Code: SEA
ICAO Code: KSEA
Coordinates: 47°26′56″N, 122°18′32″W

Airlines flying from Seoul (ICN) to Seattle (SEA)

Asiana Airlines
Delta Air Lines
Korean Air
United Airlines