# Distance from Seattle (SEA) to Woomera (UMR)

> 13,271 km · estimated flight time 17h · Ultra-long-haul route.

## Summary

- **Distance**: 13,271 km / 8,246 mi / 7,166 nm
- **Estimated flight time**: 17h
- **Heading**: 255° (west southwest)
- **Return heading**: 50° (northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Australia
- **Intercontinental**: North America → Oceania
- **Time difference**: +16.5h (When it's 07:25 in Seattle, it's 23:55 in Woomera)
- **Elevation difference**: 116 ft (UMR is higher than SEA)

## Airports

### [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

### [Woomera Airfield (UMR)](https://flightduration.online/airport/umr-woomera-woomera-airfield/1ef266e0-1792-649a-99f5-06bb2780ed98)

- City: Woomera, Australia
- ICAO: YPWR
- Timezone: Australia/Adelaide
- Coordinates: -31.140000, 136.820000
- Elevation: 548 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 07:25 in Seattle, it's 23:55 in Woomera.
With a 16.5-hour time difference, expect significant jet lag.

## Related

- [Seattle-Tacoma International Airport (SEA)](https://flightduration.online/airport/sea-seattle-seattle-tacoma-international-airport/1ef266df-37e8-64a2-a4f1-06bb2780ed98)
- [Woomera Airfield (UMR)](https://flightduration.online/airport/umr-woomera-woomera-airfield/1ef266e0-1792-649a-99f5-06bb2780ed98)
- [Flight duration calculator](/#calculator)