# Distance from Balsas (BSS) to Seattle (SEA)

> 9,608 km · estimated flight time 12h · Ultra-long-haul route.

## Summary

- **Distance**: 9,608 km / 5,970 mi / 5,188 nm
- **Estimated flight time**: 12h
- **Heading**: 319° (northwest)
- **Return heading**: 105° (east southeast)
- **Classification**: Ultra-long-haul
- **Type**: International (Brazil) → United States
- **Intercontinental**: South America → North America
- **Time difference**: -4h (When it's 19:31 in Balsas, it's 15:31 in Seattle)
- **Elevation difference**: 498 ft (SEA is lower than BSS)

## Airports

### [Balsas Airport (BSS)](https://www.flightduration.online/airport/bss-balsas-balsas-airport/1ef266df-bb19-62ae-b8d8-06bb2780ed98)

- City: Balsas, Brazil
- ICAO: SNBS
- Timezone: America/Fortaleza
- Coordinates: -7.530000, -46.050000
- Elevation: 930 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 19:31 in Balsas, it's 15:31 in Seattle.
The 4-hour time difference may cause some jet lag.

## Related

- [Balsas Airport (BSS)](https://www.flightduration.online/airport/bss-balsas-balsas-airport/1ef266df-bb19-62ae-b8d8-06bb2780ed98)
- [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)