# Distance from Seattle (SEA) to Waterloo Airport (WLO)

> 12,734 km · estimated flight time 16h · Ultra-long-haul route.

## Summary

- **Distance**: 12,734 km / 7,913 mi / 6,876 nm
- **Estimated flight time**: 16h
- **Heading**: 272° (west)
- **Return heading**: 45° (northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Australia
- **Intercontinental**: North America → Oceania
- **Time difference**: +16.5h (When it's 13:16 in Seattle, it's 05:46 in Waterloo Airport)
- **Elevation difference**: 300 ft (WLO 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

### [Waterloo Airport (WLO)](https://www.flightduration.online/airport/wlo-waterloo-airport/1ef266e0-1d2b-6cc6-85d5-06bb2780ed98)

- City: Waterloo Airport, Australia
- ICAO: YWTL
- Timezone: Australia/Darwin
- Coordinates: -16.630000, 129.320000
- Elevation: 132 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 13:16 in Seattle, it's 05:46 in Waterloo Airport.
With a 16.5-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)
- [Waterloo Airport (WLO)](https://www.flightduration.online/airport/wlo-waterloo-airport/1ef266e0-1d2b-6cc6-85d5-06bb2780ed98)
- [Flight duration calculator](/#calculator)