# Distance from Seattle (SEA) to Wuxi (WUX)

> 9,237 km · estimated flight time 12h · Ultra-long-haul route.

## Summary

- **Distance**: 9,237 km / 5,739 mi / 4,987 nm
- **Estimated flight time**: 12h
- **Heading**: 310° (northwest)
- **Return heading**: 37° (northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → China
- **Intercontinental**: North America → Asia
- **Time difference**: +15h (When it's 11:02 in Seattle, it's 02:02 in Wuxi)
- **Elevation difference**: 408 ft (WUX is lower than SEA)

## Airports

### [Seattle-Tacoma International Airport (SEA)](https://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

### [Sunan Shuofang International Airport (WUX)](https://flightduration.online/airport/wux-wuxi-sunan-shuofang-international-airport/1ef266e0-2063-60d8-b62b-06bb2780ed98)

- City: Wuxi, China
- ICAO: ZSWX
- Timezone: Asia/Shanghai
- Coordinates: 31.490000, 120.430000
- Elevation: 24 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 11:02 in Seattle, it's 02:02 in Wuxi.
With a 15-hour time difference, expect significant jet lag.

## Related

- [Seattle-Tacoma International Airport (SEA)](https://flightduration.online/airport/sea-seattle-seattle-tacoma-international-airport/1ef266df-37e8-64a2-a4f1-06bb2780ed98)
- [Sunan Shuofang International Airport (WUX)](https://flightduration.online/airport/wux-wuxi-sunan-shuofang-international-airport/1ef266e0-2063-60d8-b62b-06bb2780ed98)
- [Flight duration calculator](/#calculator)