How far is Cheongju from Seattle, WA?

The distance between Seattle (Seattle Boeing Field) and Cheongju (Cheongju International Airport) is 5214 miles / 8391 kilometers / 4531 nautical miles.

Distance from Seattle to Cheongju

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

Vincenty's formula (applied above)

• 5214.225 miles
• 8391.482 kilometers
• 4531.038 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

• 5201.269 miles
• 8370.631 kilometers
• 4519.779 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 Cheongju?

The estimated flight time from Seattle Boeing Field to Cheongju International Airport is 10 hours and 22 minutes.

What is the time difference between Seattle and Cheongju?

The time difference between Seattle and Cheongju is 17 hours. Cheongju is 17 hours ahead of Seattle.

Flight carbon footprint between Seattle Boeing Field (BFI) and Cheongju International Airport (CJJ)

On average, flying from Seattle to Cheongju generates about 612 kg of CO2 per passenger, and 612 kilograms equals 1 349 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Seattle to Cheongju

See the map of the shortest flight path between Seattle Boeing Field (BFI) and Cheongju International Airport (CJJ).

Airport information

Origin	Seattle Boeing Field
City:	Seattle, WA
Country:	United States
IATA Code:	BFI
ICAO Code:	KBFI
Coordinates:	47°31′47″N, 122°18′7″W

Destination	Cheongju International Airport
City:	Cheongju
Country:	South Korea
IATA Code:	CJJ
ICAO Code:	RKTU
Coordinates:	36°42′59″N, 127°29′56″E