# Distance from Washington (IAD) to Zhangye (YZY)

> 11,372 km · estimated flight time 14h · Ultra-long-haul route.

## Summary

- **Distance**: 11,372 km / 7,066 mi / 6,140 nm
- **Estimated flight time**: 14h
- **Heading**: 1° (north)
- **Return heading**: 359° (north)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → China
- **Intercontinental**: North America → Asia
- **Time difference**: +12h (When it's 13:42 in Washington, it's 01:42 in Zhangye)
- **Elevation difference**: 4,968 ft (YZY is higher than IAD)

## Airports

### [Washington Dulles International Airport (IAD)](https://www.flightduration.online/airport/iad-washington-washington-dulles-international-airport/1ef266df-22cc-64e2-b8c0-06bb2780ed98)

- City: Washington, United States
- ICAO: KIAD
- Timezone: America/New_York
- Coordinates: 38.900000, -77.500000
- Elevation: 312 ft

### [Ganzhou (YZY)](https://www.flightduration.online/airport/yzy-zhangye-ganzhou/1ef266e0-1f4b-62a4-9a11-06bb2780ed98)

- City: Zhangye, China
- ICAO: ZLZY
- Timezone: Asia/Shanghai
- Coordinates: 38.810000, 100.660000
- Elevation: 5,280 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 13:42 in Washington, it's 01:42 in Zhangye.
With a 12-hour time difference, expect significant jet lag.

## Related

- [Washington Dulles International Airport (IAD)](https://www.flightduration.online/airport/iad-washington-washington-dulles-international-airport/1ef266df-22cc-64e2-b8c0-06bb2780ed98)
- [Ganzhou (YZY)](https://www.flightduration.online/airport/yzy-zhangye-ganzhou/1ef266e0-1f4b-62a4-9a11-06bb2780ed98)
- [Flight duration calculator](/#calculator)