# Distance from Harper (CPA) to Seoul (ICN)

> 13,378 km · estimated flight time 17h · Ultra-long-haul route.

## Summary

- **Distance**: 13,378 km / 8,313 mi / 7,224 nm
- **Estimated flight time**: 17h
- **Heading**: 41° (northeast)
- **Return heading**: 304° (northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (Liberia) → South Korea
- **Intercontinental**: Africa → Asia
- **Time difference**: +9h (When it's 21:34 in Harper, it's 06:34 in Seoul)
- **Elevation difference**: 3 ft (ICN is higher than CPA)

## Airports

### [Cape Palmas Airport (CPA)](https://www.flightduration.online/airport/cpa-harper-cape-palmas-airport/1ef266de-e823-63fe-adfc-06bb2780ed98)

- City: Harper, Liberia
- ICAO: GLCP
- Timezone: Africa/Monrovia
- Coordinates: 4.380000, -7.700000
- Elevation: 20 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 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 21:34 in Harper, it's 06:34 in Seoul.
With a 9-hour time difference, expect significant jet lag.

## Related

- [Cape Palmas Airport (CPA)](https://www.flightduration.online/airport/cpa-harper-cape-palmas-airport/1ef266de-e823-63fe-adfc-06bb2780ed98)
- [Incheon International Airport (ICN)](https://www.flightduration.online/airport/icn-seoul-incheon-international-airport/1ef266df-8e0e-6aac-85a0-06bb2780ed98)
- [Flight duration calculator](/#calculator)