# Distance from Seattle (SEA) to Zhongwei (ZHY)

> 9,454 km · estimated flight time 12h · Ultra-long-haul route.

## Summary

- **Distance**: 9,454 km / 5,874 mi / 5,105 nm
- **Estimated flight time**: 12h
- **Heading**: 324° (northwest)
- **Return heading**: 30° (north northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → China
- **Intercontinental**: North America → Asia
- **Time difference**: +15h (When it's 15:51 in Seattle, it's 06:51 in Zhongwei)
- **Elevation difference**: 7,770 ft (ZHY is higher 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

### [Zhongwei Shapotou Airport (ZHY)](https://www.flightduration.online/airport/zhy-zhongwei-zhongwei-shapotou-airport/1ef266e0-1f46-6ee8-9372-06bb2780ed98)

- City: Zhongwei, China
- ICAO: ZLZW
- Timezone: Asia/Shanghai
- Coordinates: 37.570000, 105.150000
- Elevation: 8,202 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 15:51 in Seattle, it's 06:51 in Zhongwei.
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)
- [Zhongwei Shapotou Airport (ZHY)](https://www.flightduration.online/airport/zhy-zhongwei-zhongwei-shapotou-airport/1ef266e0-1f46-6ee8-9372-06bb2780ed98)
- [Flight duration calculator](/#calculator)