# Distance from Seattle (SEA) to Sao Luis (SLZ)

> 9,329 km · estimated flight time 12h · Ultra-long-haul route.

## Summary

- **Distance**: 9,329 km / 5,797 mi / 5,037 nm
- **Estimated flight time**: 12h
- **Heading**: 101° (east)
- **Return heading**: 318° (northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Brazil
- **Intercontinental**: North America → South America
- **Time difference**: +4h (When it's 18:03 in Seattle, it's 22:03 in Sao Luis)
- **Elevation difference**: 254 ft (SLZ is lower than SEA)

## Airports

### [Seattle-Tacoma International Airport (SEA)](https://www.flightduration.online/airport/sea-seattle-seattle-tacoma-international-airport/1ef266df-37e8-64a2-a4f1-06bb2780ed98)

- City: Seattle, United States
- ICAO: KSEA
- Timezone: America/Los_Angeles
- Coordinates: 47.450000, -122.310000
- Elevation: 432 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 18:03 in Seattle, it's 22:03 in Sao Luis.
The 4-hour time difference may cause some jet lag.

## Related

- [Seattle-Tacoma International Airport (SEA)](https://www.flightduration.online/airport/sea-seattle-seattle-tacoma-international-airport/1ef266df-37e8-64a2-a4f1-06bb2780ed98)
- [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)