# Distance from Yacuiba (BYC) to Seattle (SEA)

> 9,684 km · estimated flight time 12h · Ultra-long-haul route.

## Summary

- **Distance**: 9,684 km / 6,018 mi / 5,229 nm
- **Estimated flight time**: 12h
- **Heading**: 325° (northwest)
- **Return heading**: 128° (southeast)
- **Classification**: Ultra-long-haul
- **Type**: International (Bolivia) → United States
- **Intercontinental**: South America → North America
- **Time difference**: -3h (When it's 23:53 in Yacuiba, it's 20:53 in Seattle)
- **Elevation difference**: 1,680 ft (SEA is lower than BYC)

## Airports

### [Yacuiba Airport (BYC)](https://flightduration.online/airport/byc-yacuiba-yacuiba-airport/1ef266df-b93b-6bbc-943d-06bb2780ed98)

- City: Yacuiba, Bolivia
- ICAO: SLYA
- Timezone: America/La_Paz
- Coordinates: -21.960000, -63.650000
- Elevation: 2,112 ft

### [Seattle-Tacoma International Airport (SEA)](https://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 23:53 in Yacuiba, it's 20:53 in Seattle.
The 3-hour time difference may cause some jet lag.

## Related

- [Yacuiba Airport (BYC)](https://flightduration.online/airport/byc-yacuiba-yacuiba-airport/1ef266df-b93b-6bbc-943d-06bb2780ed98)
- [Seattle-Tacoma International Airport (SEA)](https://flightduration.online/airport/sea-seattle-seattle-tacoma-international-airport/1ef266df-37e8-64a2-a4f1-06bb2780ed98)
- [Flight duration calculator](/#calculator)