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How far is Seoul from Seattle, WA?

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

Seattle–Tacoma International Airport – Seoul Incheon International Airport

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

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Distance from Seattle to Seoul

There are several ways to calculate the distance from Seattle to Seoul. 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 Seattle to Seoul?

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

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

On average, flying from Seattle to Seoul 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 Seattle to Seoul

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

Airport information

Origin 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
Destination 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

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

Asiana Airlines
Delta Air Lines
Korean Air
United Airlines