# Distance from Seattle (SEA) to Xianyang (XIY)

> 9,585 km · estimated flight time 12h · Ultra-long-haul route.

## Summary

- **Distance**: 9,585 km / 5,956 mi / 5,176 nm
- **Estimated flight time**: 12h
- **Heading**: 320° (northwest)
- **Return heading**: 32° (north northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → China
- **Intercontinental**: North America → Asia
- **Time difference**: +15h (When it's 09:06 in Seattle, it's 00:06 in Xianyang)
- **Elevation difference**: 1,140 ft (XIY 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

### [Xi'an Xianyang International Airport (XIY)](https://www.flightduration.online/airport/xiy-xianyang-xian-xianyang-international-airport/1ef266e0-1f3a-6b20-8e6b-06bb2780ed98)

- City: Xianyang, China
- ICAO: ZLXY
- Timezone: Asia/Shanghai
- Coordinates: 34.450000, 108.750000
- Elevation: 1,572 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 09:06 in Seattle, it's 00:06 in Xianyang.
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)
- [Xi'an Xianyang International Airport (XIY)](https://www.flightduration.online/airport/xiy-xianyang-xian-xianyang-international-airport/1ef266e0-1f3a-6b20-8e6b-06bb2780ed98)
- [Flight duration calculator](/#calculator)