# Distance from Hamilton (HLZ) to Seattle (SEA)

> 11,320 km · estimated flight time 14h · Ultra-long-haul route.

## Summary

- **Distance**: 11,320 km / 7,034 mi / 6,112 nm
- **Estimated flight time**: 14h
- **Heading**: 38° (northeast)
- **Return heading**: 226° (southwest)
- **Classification**: Ultra-long-haul
- **Type**: International (New Zealand) → United States
- **Intercontinental**: Oceania → North America
- **Time difference**: -19h (When it's 16:23 in Hamilton, it's 21:23 in Seattle)
- **Elevation difference**: 260 ft (SEA is higher than HLZ)

## Airports

### [Hamilton International Airport (HLZ)](https://www.flightduration.online/airport/hlz-hamilton-hamilton-international-airport/1ef266df-76c2-6d12-86bd-06bb2780ed98)

- City: Hamilton, New Zealand
- ICAO: NZHN
- Timezone: Pacific/Auckland
- Coordinates: -37.870000, 175.330000
- Elevation: 172 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 16:23 in Hamilton, it's 21:23 in Seattle.
With a 19-hour time difference, expect significant jet lag.

## Related

- [Hamilton International Airport (HLZ)](https://www.flightduration.online/airport/hlz-hamilton-hamilton-international-airport/1ef266df-76c2-6d12-86bd-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)