# Distance from Seattle (SEA) to Una (UNA)

> 10,769 km · estimated flight time 14h · Ultra-long-haul route.

## Summary

- **Distance**: 10,769 km / 6,691 mi / 5,815 nm
- **Estimated flight time**: 14h
- **Heading**: 105° (east southeast)
- **Return heading**: 317° (northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Brazil
- **Intercontinental**: North America → South America
- **Time difference**: +4h (When it's 18:07 in Seattle, it's 22:07 in Una)
- **Elevation difference**: 412 ft (UNA 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

### [Hotel Transamerica Airport (UNA)](https://www.flightduration.online/airport/una-una-hotel-transamerica-airport/1ef266df-95bf-68c8-a283-06bb2780ed98)

- City: Una, Brazil
- ICAO: SBTC
- Timezone: America/Bahia
- Coordinates: -15.360000, -39.000000
- Elevation: 20 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 18:07 in Seattle, it's 22:07 in Una.
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)
- [Hotel Transamerica Airport (UNA)](https://www.flightduration.online/airport/una-una-hotel-transamerica-airport/1ef266df-95bf-68c8-a283-06bb2780ed98)
- [Flight duration calculator](/#calculator)