# Distance from Cheongju (CJJ) to Seoul (ICN)

> 125 km · estimated flight time 1h · Regional route.

## Summary

- **Distance**: 125 km / 78 mi / 67 nm
- **Estimated flight time**: 1h
- **Heading**: 312° (northwest)
- **Return heading**: 132° (southeast)
- **Classification**: Regional
- **Type**: Domestic (South Korea)
- **Time difference**: +0h (When it's 11:26 in Cheongju, it's 11:26 in Seoul)
- **Elevation difference**: 168 ft (ICN is lower than CJJ)

## Airports

### [Cheongju International Airport (CJJ)](https://www.flightduration.online/airport/cjj-cheongju-cheongju-international-airport/1ef266df-8e3b-6f3e-9ab9-06bb2780ed98)

- City: Cheongju, South Korea
- ICAO: RKTU
- Timezone: Asia/Seoul
- Coordinates: 36.720000, 127.500000
- Elevation: 191 ft

### [Incheon International Airport (ICN)](https://www.flightduration.online/airport/icn-seoul-incheon-international-airport/1ef266df-8e0e-6aac-85a0-06bb2780ed98)

- City: Seoul, South Korea
- ICAO: RKSI
- Timezone: Asia/Seoul
- Coordinates: 37.470000, 126.450000
- Elevation: 23 ft

## Route notes

This is a short regional route, typically operated by turboprop or small regional jet aircraft. Flight time is minimal and passengers can expect a quick, efficient journey.

## Related

- [Cheongju International Airport (CJJ)](https://www.flightduration.online/airport/cjj-cheongju-cheongju-international-airport/1ef266df-8e3b-6f3e-9ab9-06bb2780ed98)
- [Incheon International Airport (ICN)](https://www.flightduration.online/airport/icn-seoul-incheon-international-airport/1ef266df-8e0e-6aac-85a0-06bb2780ed98)
- [Flight duration calculator](/#calculator)