# Distance from Hateruma (HTR) to Seattle (SEA)

> 9,686 km · estimated flight time 12h · Ultra-long-haul route.

## Summary

- **Distance**: 9,686 km / 6,019 mi / 5,230 nm
- **Estimated flight time**: 12h
- **Heading**: 38° (northeast)
- **Return heading**: 303° (west northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (Japan) → United States
- **Intercontinental**: Asia → North America
- **Time difference**: -16h (When it's 16:24 in Hateruma, it's 00:24 in Seattle)
- **Elevation difference**: 389 ft (SEA is higher than HTR)

## Airports

### [Hateruma Airport (HTR)](https://www.flightduration.online/airport/htr-hateruma-hateruma-airport/1ef266df-8e7e-6906-9277-06bb2780ed98)

- City: Hateruma, Japan
- ICAO: RORH
- Timezone: Asia/Tokyo
- Coordinates: 24.060000, 123.810000
- Elevation: 43 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 16:24 in Hateruma, it's 00:24 in Seattle.
With a 16-hour time difference, expect significant jet lag.

## Related

- [Hateruma Airport (HTR)](https://www.flightduration.online/airport/htr-hateruma-hateruma-airport/1ef266df-8e7e-6906-9277-06bb2780ed98)
- [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)