# Distance from Alton Downs Airport (AWN) to Seattle (SEA)

> 12,753 km · estimated flight time 16h · Ultra-long-haul route.

## Summary

- **Distance**: 12,753 km / 7,924 mi / 6,886 nm
- **Estimated flight time**: 16h
- **Heading**: 47° (northeast)
- **Return heading**: 257° (west southwest)
- **Classification**: Ultra-long-haul
- **Type**: International (Australia) → United States
- **Intercontinental**: Oceania → North America
- **Time difference**: -16.5h (When it's 07:58 in Alton Downs Airport, it's 15:28 in Seattle)
- **Elevation difference**: 432 ft (SEA is higher than AWN)

## Airports

### [Alton Downs Airport (AWN)](https://www.flightduration.online/airport/awn-alton-downs-airport/1ef266e0-042a-6bfa-9e12-06bb2780ed98)

- City: Alton Downs Airport, Australia
- ICAO: YADS
- Timezone: Australia/Adelaide
- Coordinates: -26.530000, 139.270000
- Elevation: 0 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 07:58 in Alton Downs Airport, it's 15:28 in Seattle.
With a 16.5-hour time difference, expect significant jet lag.

## Related

- [Alton Downs Airport (AWN)](https://www.flightduration.online/airport/awn-alton-downs-airport/1ef266e0-042a-6bfa-9e12-06bb2780ed98)
- [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)