# Distance from Porto Alegre (QNS) to Seattle (SEA)

> 11,152 km · estimated flight time 14h · Ultra-long-haul route.

## Summary

- **Distance**: 11,152 km / 6,930 mi / 6,022 nm
- **Estimated flight time**: 14h
- **Heading**: 319° (northwest)
- **Return heading**: 124° (east southeast)
- **Classification**: Ultra-long-haul
- **Type**: International (Brazil) → United States
- **Intercontinental**: South America → North America
- **Time difference**: -4h (When it's 01:01 in Porto Alegre, it's 21:01 in Seattle)
- **Elevation difference**: 406 ft (SEA is higher than QNS)

## Airports

### [Canoas Airport (QNS)](https://www.flightduration.online/airport/qns-porto-alegre-canoas-airport/1ef266df-9435-6fac-8a08-06bb2780ed98)

- City: Porto Alegre, Brazil
- ICAO: SBCO
- Timezone: America/Sao_Paulo
- Coordinates: -29.950000, -51.140000
- Elevation: 26 ft

### [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

## 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 Porto Alegre, it's 21:01 in Seattle.
The 4-hour time difference may cause some jet lag.

## Related

- [Canoas Airport (QNS)](https://www.flightduration.online/airport/qns-porto-alegre-canoas-airport/1ef266df-9435-6fac-8a08-06bb2780ed98)
- [Seattle-Tacoma International Airport (SEA)](https://www.flightduration.online/airport/sea-seattle-seattle-tacoma-international-airport/1ef266df-37e8-64a2-a4f1-06bb2780ed98)
- [Flight duration calculator](/#calculator)