# Distance from Seoul (ICN) to Niagara-on-the-lake (YCM)

> 10,680 km · estimated flight time 14h · Ultra-long-haul route.

## Summary

- **Distance**: 10,680 km / 6,636 mi / 5,767 nm
- **Estimated flight time**: 14h
- **Heading**: 18° (north northeast)
- **Return heading**: 340° (north northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (South Korea) → Canada
- **Intercontinental**: Asia → North America
- **Time difference**: -13h (When it's 01:55 in Seoul, it's 12:55 in Niagara-on-the-lake)
- **Elevation difference**: 298 ft (YCM 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 Catharines / Niagara District Airport (YCM)](https://www.flightduration.online/airport/ycm-niagara-on-the-lake-st-catharines-niagara-district-airport/1ef266de-b2b5-6a64-b416-06bb2780ed98)

- City: Niagara-on-the-lake, Canada
- ICAO: CYSN
- Timezone: America/Toronto
- Coordinates: 43.190000, -79.170000
- Elevation: 321 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 01:55 in Seoul, it's 12:55 in Niagara-on-the-lake.
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)
- [St Catharines / Niagara District Airport (YCM)](https://www.flightduration.online/airport/ycm-niagara-on-the-lake-st-catharines-niagara-district-airport/1ef266de-b2b5-6a64-b416-06bb2780ed98)
- [Flight duration calculator](/#calculator)