# Distance from Seoul (ICN) to Buchanan (UCN)

> 13,426 km · estimated flight time 17h · Ultra-long-haul route.

## Summary

- **Distance**: 13,426 km / 8,343 mi / 7,249 nm
- **Estimated flight time**: 17h
- **Heading**: 306° (northwest)
- **Return heading**: 40° (northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (South Korea) → Liberia
- **Intercontinental**: Asia → Africa
- **Time difference**: -9h (When it's 18:53 in Seoul, it's 09:53 in Buchanan)
- **Elevation difference**: 18 ft (UCN is higher than ICN)

## Airports

### [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

### [Buchanan Airport (UCN)](https://www.flightduration.online/airport/ucn-buchanan-buchanan-airport/1ef266de-e81a-64c0-a5c6-06bb2780ed98)

- City: Buchanan, Liberia
- ICAO: GLBU
- Timezone: Africa/Monrovia
- Coordinates: 5.170000, -9.280000
- Elevation: 41 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 18:53 in Seoul, it's 09:53 in Buchanan.
With a 9-hour time difference, expect significant jet lag.

## Related

- [Incheon International Airport (ICN)](https://www.flightduration.online/airport/icn-seoul-incheon-international-airport/1ef266df-8e0e-6aac-85a0-06bb2780ed98)
- [Buchanan Airport (UCN)](https://www.flightduration.online/airport/ucn-buchanan-buchanan-airport/1ef266de-e81a-64c0-a5c6-06bb2780ed98)
- [Flight duration calculator](/#calculator)