How far is Seattle, WA, from Seoul?

The distance between Seoul (Seoul Gimpo International Airport) and Seattle (Seattle–Tacoma International Airport) is 5199 miles / 8367 kilometers / 4518 nautical miles.

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)

• 5199.234 miles
• 8367.356 kilometers
• 4518.011 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

• 5186.129 miles
• 8346.266 kilometers
• 4506.623 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 Gimpo International Airport to Seattle–Tacoma International Airport is 10 hours and 20 minutes.

What is the time difference between Seoul and Seattle?

The time difference between Seoul and Seattle is 17 hours. Seattle is 17 hours behind Seoul.

Flight carbon footprint between Seoul Gimpo International Airport (GMP) and Seattle–Tacoma International Airport (SEA)

On average, flying from Seoul to Seattle generates about 610 kg of CO2 per passenger, and 610 kilograms equals 1 345 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 Gimpo International Airport (GMP) and Seattle–Tacoma International Airport (SEA).

Airport information

Origin	Seoul Gimpo International Airport
City:	Seoul
Country:	South Korea
IATA Code:	GMP
ICAO Code:	RKSS
Coordinates:	37°33′29″N, 126°47′27″E

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