# Distance from Cheongju (CJJ) to Cancun (CUN)

> 12,649 km · estimated flight time 16h · Ultra-long-haul route.

## Summary

- **Distance**: 12,649 km / 7,859 mi / 6,830 nm
- **Estimated flight time**: 16h
- **Heading**: 35° (northeast)
- **Return heading**: 330° (north northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (South Korea) → Mexico
- **Intercontinental**: Asia → North America
- **Time difference**: -14h (When it's 22:54 in Cheongju, it's 08:54 in Cancun)
- **Elevation difference**: 169 ft (CUN 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

### [Cancun International Airport (CUN)](https://www.flightduration.online/airport/cun-cancun-cancun-international-airport/1ef266df-6268-6862-9a5d-06bb2780ed98)

- City: Cancun, Mexico
- ICAO: MMUN
- Timezone: America/Cancun
- Coordinates: 21.040000, -86.880000
- Elevation: 22 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 22:54 in Cheongju, it's 08:54 in Cancun.
With a 14-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)
- [Cancun International Airport (CUN)](https://www.flightduration.online/airport/cun-cancun-cancun-international-airport/1ef266df-6268-6862-9a5d-06bb2780ed98)
- [Flight duration calculator](/#calculator)