# Distance from Headingly Airport (HIP) to Seattle (SEA)

> 12,429 km · estimated flight time 16h · Ultra-long-haul route.

## Summary

- **Distance**: 12,429 km / 7,723 mi / 6,711 nm
- **Estimated flight time**: 16h
- **Heading**: 46° (northeast)
- **Return heading**: 262° (west)
- **Classification**: Ultra-long-haul
- **Type**: International (Australia) → United States
- **Intercontinental**: Oceania → North America
- **Time difference**: -17h (When it's 21:19 in Headingly Airport, it's 04:19 in Seattle)
- **Elevation difference**: 432 ft (SEA is higher than HIP)

## Airports

### [Headingly Airport (HIP)](https://www.flightduration.online/airport/hip-headingly-airport/1ef266e0-0dce-6df0-8e28-06bb2780ed98)

- City: Headingly Airport, Australia
- ICAO: YHDY
- Timezone: Australia/Brisbane
- Coordinates: -21.330000, 138.280000
- 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 21:19 in Headingly Airport, it's 04:19 in Seattle.
With a 17-hour time difference, expect significant jet lag.

## Related

- [Headingly Airport (HIP)](https://www.flightduration.online/airport/hip-headingly-airport/1ef266e0-0dce-6df0-8e28-06bb2780ed98)
- [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)