# Distance from Cheongju (CJJ) to Denver (DEN)

> 9,970 km · estimated flight time 13h · Ultra-long-haul route.

## Summary

- **Distance**: 9,970 km / 6,195 mi / 5,384 nm
- **Estimated flight time**: 13h
- **Heading**: 37° (northeast)
- **Return heading**: 321° (northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (South Korea) → United States
- **Intercontinental**: Asia → North America
- **Time difference**: -15h (When it's 04:48 in Cheongju, it's 13:48 in Denver)
- **Elevation difference**: 5,243 ft (DEN is higher 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

### [Denver International Airport (DEN)](https://www.flightduration.online/airport/den-denver-denver-international-airport/1ef266df-1706-67b6-bf3a-06bb2780ed98)

- City: Denver, United States
- ICAO: KDEN
- Timezone: America/Denver
- Coordinates: 39.860000, -104.670000
- Elevation: 5,434 ft

## Route notes

This is an ultra-long-haul route, one of the longest in aviation. It requires wide-body aircraft with extended range capability such as the Airbus A350-900ULR or Boeing 777-200LR. Passengers should prepare for an extended flight with multiple meal services.

Time-zone information: When it's 04:48 in Cheongju, it's 13:48 in Denver.
With a 15-hour time difference, expect significant jet lag.

## Related

- [Cheongju International Airport (CJJ)](https://www.flightduration.online/airport/cjj-cheongju-cheongju-international-airport/1ef266df-8e3b-6f3e-9ab9-06bb2780ed98)
- [Denver International Airport (DEN)](https://www.flightduration.online/airport/den-denver-denver-international-airport/1ef266df-1706-67b6-bf3a-06bb2780ed98)
- [Flight duration calculator](/#calculator)