# Distance from Seattle (SEA) to Useless Loop Airport (USL)

> 14,658 km · estimated flight time 18h · Ultra-long-haul route.

## Summary

- **Distance**: 14,658 km / 9,108 mi / 7,915 nm
- **Estimated flight time**: 18h
- **Heading**: 276° (west)
- **Return heading**: 49° (northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Australia
- **Intercontinental**: North America → Oceania
- **Time difference**: +15h (When it's 18:03 in Seattle, it's 09:03 in Useless Loop Airport)
- **Elevation difference**: 432 ft (USL 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

### [Useless Loop Airport (USL)](https://www.flightduration.online/airport/usl-useless-loop-airport/1ef266e0-1b65-604a-ac2d-06bb2780ed98)

- City: Useless Loop Airport, Australia
- ICAO: YUSL
- Timezone: Australia/Perth
- Coordinates: -26.170000, 113.400000
- Elevation: 0 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 18:03 in Seattle, it's 09:03 in Useless Loop Airport.
With a 15-hour time difference, expect significant jet lag.

## Related

- [Seattle-Tacoma International Airport (SEA)](https://www.flightduration.online/airport/sea-seattle-seattle-tacoma-international-airport/1ef266df-37e8-64a2-a4f1-06bb2780ed98)
- [Useless Loop Airport (USL)](https://www.flightduration.online/airport/usl-useless-loop-airport/1ef266e0-1b65-604a-ac2d-06bb2780ed98)
- [Flight duration calculator](/#calculator)