How far is Cheongju from Portland, OR?

The distance between Portland (Portland International Airport) and Cheongju (Cheongju International Airport) is 5288 miles / 8510 kilometers / 4595 nautical miles.

Distance from Portland to Cheongju

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

Vincenty's formula (applied above)

• 5287.806 miles
• 8509.898 kilometers
• 4594.978 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

• 5274.828 miles
• 8489.013 kilometers
• 4583.701 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 Portland to Cheongju?

The estimated flight time from Portland International Airport to Cheongju International Airport is 10 hours and 30 minutes.

What is the time difference between Portland and Cheongju?

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

Flight carbon footprint between Portland International Airport (PDX) and Cheongju International Airport (CJJ)

On average, flying from Portland to Cheongju generates about 622 kg of CO2 per passenger, and 622 kilograms equals 1 370 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Portland to Cheongju

See the map of the shortest flight path between Portland International Airport (PDX) and Cheongju International Airport (CJJ).

Airport information

Origin	Portland International Airport
City:	Portland, OR
Country:	United States
IATA Code:	PDX
ICAO Code:	KPDX
Coordinates:	45°35′19″N, 122°35′52″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