# Distance from Alice Springs (ASP) to Seattle (SEA)

> 12,945 km · estimated flight time 16h · Ultra-long-haul route.

## Summary

- **Distance**: 12,945 km / 8,044 mi / 6,990 nm
- **Estimated flight time**: 16h
- **Heading**: 47° (northeast)
- **Return heading**: 263° (west)
- **Classification**: Ultra-long-haul
- **Type**: International (Australia) → United States
- **Intercontinental**: Oceania → North America
- **Time difference**: -16.5h (When it's 21:55 in Alice Springs, it's 05:25 in Seattle)
- **Elevation difference**: 1,357 ft (SEA is lower than ASP)

## Airports

### [Alice Springs Airport (ASP)](https://www.flightduration.online/airport/asp-alice-springs-alice-springs-airport/1ef266e0-0535-6892-923a-06bb2780ed98)

- City: Alice Springs, Australia
- ICAO: YBAS
- Timezone: Australia/Darwin
- Coordinates: -23.810000, 133.900000
- Elevation: 1,789 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 21:55 in Alice Springs, it's 05:25 in Seattle.
With a 16.5-hour time difference, expect significant jet lag.

## Related

- [Alice Springs Airport (ASP)](https://www.flightduration.online/airport/asp-alice-springs-alice-springs-airport/1ef266e0-0535-6892-923a-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)