# Distance from Seoul (ICN) to Sao Felix Do Xingu (SXX)

> 16,583 km · estimated flight time 21h · Ultra-long-haul route.

## Summary

- **Distance**: 16,583 km / 10,304 mi / 8,954 nm
- **Estimated flight time**: 21h
- **Heading**: 357° (north)
- **Return heading**: 2° (north)
- **Classification**: Ultra-long-haul
- **Type**: International (South Korea) → Brazil
- **Intercontinental**: Asia → South America
- **Time difference**: -12h (When it's 07:30 in Seoul, it's 19:30 in Sao Felix Do Xingu)
- **Elevation difference**: 633 ft (SXX is higher than ICN)

## Airports

### [Incheon International Airport (ICN)](https://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 Felix do Xingu Airport (SXX)](https://flightduration.online/airport/sxx-sao-felix-do-xingu-sao-felix-do-xingu-airport/1ef266df-bc79-622a-b630-06bb2780ed98)

- City: Sao Felix Do Xingu, Brazil
- ICAO: SNFX
- Timezone: America/Belem
- Coordinates: -6.640000, -51.990000
- Elevation: 656 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 07:30 in Seoul, it's 19:30 in Sao Felix Do Xingu.
With a 12-hour time difference, expect significant jet lag.

## Related

- [Incheon International Airport (ICN)](https://flightduration.online/airport/icn-seoul-incheon-international-airport/1ef266df-8e0e-6aac-85a0-06bb2780ed98)
- [Sao Felix do Xingu Airport (SXX)](https://flightduration.online/airport/sxx-sao-felix-do-xingu-sao-felix-do-xingu-airport/1ef266df-bc79-622a-b630-06bb2780ed98)
- [Flight duration calculator](/#calculator)