# Distance from Chos Malal (HOS) to Seoul (ICN)

> 18,546 km · estimated flight time 23h · Ultra-long-haul route.

## Summary

- **Distance**: 18,546 km / 11,524 mi / 10,014 nm
- **Estimated flight time**: 23h
- **Heading**: 275° (west)
- **Return heading**: 95° (east)
- **Classification**: Ultra-long-haul
- **Type**: International (Argentina) → South Korea
- **Intercontinental**: South America → Asia
- **Time difference**: +12h (When it's 01:01 in Chos Malal, it's 13:01 in Seoul)
- **Elevation difference**: 2,765 ft (ICN is lower than HOS)

## Airports

### [Chos Malal Airport (HOS)](https://www.flightduration.online/airport/hos-chos-malal-chos-malal-airport/1ef266df-9197-6976-a8a4-06bb2780ed98)

- City: Chos Malal, Argentina
- ICAO: SAHC
- Timezone: America/Argentina/Salta
- Coordinates: -37.440000, -70.220000
- Elevation: 2,788 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 01:01 in Chos Malal, it's 13:01 in Seoul.
With a 12-hour time difference, expect significant jet lag.

## Related

- [Chos Malal Airport (HOS)](https://www.flightduration.online/airport/hos-chos-malal-chos-malal-airport/1ef266df-9197-6976-a8a4-06bb2780ed98)
- [Incheon International Airport (ICN)](https://www.flightduration.online/airport/icn-seoul-incheon-international-airport/1ef266df-8e0e-6aac-85a0-06bb2780ed98)
- [Flight duration calculator](/#calculator)