# Distance from Seoul (ICN) to La Grande-4 (YAH)

> 9,689 km · estimated flight time 12h · Ultra-long-haul route.

## Summary

- **Distance**: 9,689 km / 6,021 mi / 5,232 nm
- **Estimated flight time**: 12h
- **Heading**: 12° (north northeast)
- **Return heading**: 344° (north northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (South Korea) → Canada
- **Intercontinental**: Asia → North America
- **Time difference**: -13h (When it's 15:14 in Seoul, it's 02:14 in La Grande-4)
- **Elevation difference**: 982 ft (YAH 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

### [La Grande-4 Airport (YAH)](https://www.flightduration.online/airport/yah-la-grande-4-la-grande-4-airport/1ef266de-ae6d-6308-b0e5-06bb2780ed98)

- City: La Grande-4, Canada
- ICAO: CYAH
- Timezone: America/Toronto
- Coordinates: 53.750000, -73.680000
- Elevation: 1,005 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 15:14 in Seoul, it's 02:14 in La Grande-4.
With a 13-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)
- [La Grande-4 Airport (YAH)](https://www.flightduration.online/airport/yah-la-grande-4-la-grande-4-airport/1ef266de-ae6d-6308-b0e5-06bb2780ed98)
- [Flight duration calculator](/#calculator)