# Distance from Seoul (ICN) to St Leonard (YSL)

> 10,498 km · estimated flight time 13h · Ultra-long-haul route.

## Summary

- **Distance**: 10,498 km / 6,523 mi / 5,668 nm
- **Estimated flight time**: 13h
- **Heading**: 10° (north)
- **Return heading**: 349° (north northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (South Korea) → Canada
- **Intercontinental**: Asia → North America
- **Time difference**: -12h (When it's 09:14 in Seoul, it's 21:14 in St Leonard)
- **Elevation difference**: 770 ft (YSL 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

### [St Leonard Airport (YSL)](https://www.flightduration.online/airport/ysl-st-leonard-st-leonard-airport/1ef266de-b2ac-61a8-8fe6-06bb2780ed98)

- City: St Leonard, Canada
- ICAO: CYSL
- Timezone: America/Moncton
- Coordinates: 47.160000, -67.830000
- Elevation: 793 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 09:14 in Seoul, it's 21:14 in St Leonard.
With a 12-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)
- [St Leonard Airport (YSL)](https://www.flightduration.online/airport/ysl-st-leonard-st-leonard-airport/1ef266de-b2ac-61a8-8fe6-06bb2780ed98)
- [Flight duration calculator](/#calculator)