# Distance from Seattle (SEA) to Yiwu (YIW)

> 9,451 km · estimated flight time 12h · Ultra-long-haul route.

## Summary

- **Distance**: 9,451 km / 5,872 mi / 5,103 nm
- **Estimated flight time**: 12h
- **Heading**: 309° (northwest)
- **Return heading**: 37° (northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → China
- **Intercontinental**: North America → Asia
- **Time difference**: +15h (When it's 08:09 in Seattle, it's 23:09 in Yiwu)
- **Elevation difference**: 170 ft (YIW 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

### [Yiwu Airport (YIW)](https://www.flightduration.online/airport/yiw-yiwu-yiwu-airport/1ef266e0-207b-6976-ae29-06bb2780ed98)

- City: Yiwu, China
- ICAO: ZSYW
- Timezone: Asia/Shanghai
- Coordinates: 29.340000, 120.030000
- Elevation: 262 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 08:09 in Seattle, it's 23:09 in Yiwu.
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)
- [Yiwu Airport (YIW)](https://www.flightduration.online/airport/yiw-yiwu-yiwu-airport/1ef266e0-207b-6976-ae29-06bb2780ed98)
- [Flight duration calculator](/#calculator)