# Distance from Saint Anne (ACI) to Seoul (ICN)

> 9,091 km · estimated flight time 12h · Ultra-long-haul route.

## Summary

- **Distance**: 9,091 km / 5,649 mi / 4,909 nm
- **Estimated flight time**: 12h
- **Heading**: 39° (northeast)
- **Return heading**: 329° (north northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (GG) → South Korea
- **Time difference**: +8h (When it's 21:39 in Saint Anne, it's 05:39 in Seoul)
- **Elevation difference**: 267 ft (ICN is lower than ACI)

## Airports

### [Alderney Airport (ACI)](https://www.flightduration.online/airport/aci-saint-anne-alderney-airport/1ef266de-c416-66b4-bcd1-06bb2780ed98)

- City: Saint Anne, GG
- ICAO: EGJA
- Timezone: Europe/Guernsey
- Coordinates: 49.710000, -2.210000
- Elevation: 290 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 21:39 in Saint Anne, it's 05:39 in Seoul.
With a 8-hour time difference, expect significant jet lag.

## Related

- [Alderney Airport (ACI)](https://www.flightduration.online/airport/aci-saint-anne-alderney-airport/1ef266de-c416-66b4-bcd1-06bb2780ed98)
- [Incheon International Airport (ICN)](https://www.flightduration.online/airport/icn-seoul-incheon-international-airport/1ef266df-8e0e-6aac-85a0-06bb2780ed98)
- [Flight duration calculator](/#calculator)