# How far is Cheongju from Seoul?

The distance between Seoul (Seoul Incheon International Airport) and Cheongju (Cheongju International Airport) is 78 miles / 125 kilometers / 68 nautical miles.

The driving distance from Seoul (ICN) to Cheongju (CJJ) is 109 miles / 175 kilometers, and travel time by car is about 2 hours 18 minutes.

78
Miles
125
Kilometers
68
Nautical miles

## Distance from Seoul to Cheongju

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

Vincenty's formula (applied above)
• 77.766 miles
• 125.152 kilometers
• 67.577 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
• 77.729 miles
• 125.093 kilometers
• 67.545 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 Cheongju?

The estimated flight time from Seoul Incheon International Airport to Cheongju International Airport is 38 minutes.

## Flight carbon footprint between Seoul Incheon International Airport (ICN) and Cheongju International Airport (CJJ)

On average, flying from Seoul to Cheongju generates about 36 kg of CO2 per passenger, and 36 kilograms equals 80 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

## Map of flight path and driving directions from Seoul to Cheongju

See the map of the shortest flight path between Seoul Incheon International Airport (ICN) and Cheongju International Airport (CJJ).

## Airport information

Origin Seoul Incheon International Airport
City: Seoul
Country: South Korea
IATA Code: ICN
ICAO Code: RKSI
Coordinates: 37°27′36″N, 126°26′26″E
Destination Cheongju International Airport
City: Cheongju
Country: South Korea
IATA Code: CJJ
ICAO Code: RKTU
Coordinates: 36°42′59″N, 127°29′56″E