# Distance from Seoul (ICN) to Kasigluk (KUK)

> 5,441 km · estimated flight time 7h · Long-haul route.

## Summary

- **Distance**: 5,441 km / 3,381 mi / 2,938 nm
- **Estimated flight time**: 7h
- **Heading**: 38° (northeast)
- **Return heading**: 275° (west)
- **Classification**: Long-haul
- **Type**: International (South Korea) → United States
- **Intercontinental**: Asia → North America
- **Time difference**: -17h (When it's 20:34 in Seoul, it's 03:34 in Kasigluk)
- **Elevation difference**: 25 ft (KUK 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

### [Kasigluk Airport (KUK)](https://www.flightduration.online/airport/kuk-kasigluk-kasigluk-airport/1ef266df-88ca-6a78-84b3-06bb2780ed98)

- City: Kasigluk, United States
- ICAO: PFKA
- Timezone: America/Anchorage
- Coordinates: 60.870000, -162.520000
- Elevation: 48 ft

## Route notes

This is a long-haul route typically operated by wide-body aircraft such as the Boeing 777 or Airbus A350. Full meal service, in-flight entertainment, and comfort amenities are standard.

Time-zone information: When it's 20:34 in Seoul, it's 03:34 in Kasigluk.
With a 17-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)
- [Kasigluk Airport (KUK)](https://www.flightduration.online/airport/kuk-kasigluk-kasigluk-airport/1ef266df-88ca-6a78-84b3-06bb2780ed98)
- [Flight duration calculator](/#calculator)