# Distance from Seoul (ICN) to Sao Luis (SLZ)

> 16,021 km · estimated flight time 20h · Ultra-long-haul route.

## Summary

- **Distance**: 16,021 km / 9,955 mi / 8,651 nm
- **Estimated flight time**: 20h
- **Heading**: 344° (north northwest)
- **Return heading**: 13° (north northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (South Korea) → Brazil
- **Intercontinental**: Asia → South America
- **Time difference**: -12h (When it's 03:17 in Seoul, it's 15:17 in Sao Luis)
- **Elevation difference**: 155 ft (SLZ 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

### [Marechal Cunha Machado International Airport (SLZ)](https://www.flightduration.online/airport/slz-sao-luis-marechal-cunha-machado-international-airport/1ef266df-959b-6e00-a419-06bb2780ed98)

- City: Sao Luis, Brazil
- ICAO: SBSL
- Timezone: America/Fortaleza
- Coordinates: -2.590000, -44.230000
- Elevation: 178 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 03:17 in Seoul, it's 15:17 in Sao Luis.
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)
- [Marechal Cunha Machado International Airport (SLZ)](https://www.flightduration.online/airport/slz-sao-luis-marechal-cunha-machado-international-airport/1ef266df-959b-6e00-a419-06bb2780ed98)
- [Flight duration calculator](/#calculator)