# Distance from Seoul (ICN) to Sao Carlos (QSC)

> 18,199 km · estimated flight time 22h · Ultra-long-haul route.

## Summary

- **Distance**: 18,199 km / 11,308 mi / 9,826 nm
- **Estimated flight time**: 22h
- **Heading**: 341° (north northwest)
- **Return heading**: 16° (north northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (South Korea) → Brazil
- **Intercontinental**: Asia → South America
- **Time difference**: -12h (When it's 07:37 in Seoul, it's 19:37 in Sao Carlos)
- **Elevation difference**: 2,626 ft (QSC 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

### [Sao Carlos Airport (QSC)](https://www.flightduration.online/airport/qsc-sao-carlos-sao-carlos-airport/1ef266df-a2f0-6aba-943b-06bb2780ed98)

- City: Sao Carlos, Brazil
- ICAO: SDSC
- Timezone: America/Sao_Paulo
- Coordinates: -21.880000, -47.900000
- Elevation: 2,649 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 07:37 in Seoul, it's 19:37 in Sao Carlos.
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)
- [Sao Carlos Airport (QSC)](https://www.flightduration.online/airport/qsc-sao-carlos-sao-carlos-airport/1ef266df-a2f0-6aba-943b-06bb2780ed98)
- [Flight duration calculator](/#calculator)