# Distance from Washington (DCA) to Tianshui (THQ)

> 11,847 km · estimated flight time 15h · Ultra-long-haul route.

## Summary

- **Distance**: 11,847 km / 7,361 mi / 6,397 nm
- **Estimated flight time**: 15h
- **Heading**: 358° (north)
- **Return heading**: 2° (north)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → China
- **Intercontinental**: North America → Asia
- **Time difference**: +12h (When it's 02:22 in Washington, it's 14:22 in Tianshui)
- **Elevation difference**: 3,576 ft (THQ is higher than DCA)

## Airports

### [Ronald Reagan Washington Ntl Airport (DCA)](https://www.flightduration.online/airport/dca-washington-ronald-reagan-washington-ntl-airport/1ef266df-16de-6284-ae10-06bb2780ed98)

- City: Washington, United States
- ICAO: KDCA
- Timezone: America/New_York
- Coordinates: 38.850000, -77.040000
- Elevation: 14 ft

### [Tianshui Maijishan Airport (THQ)](https://www.flightduration.online/airport/thq-tianshui-tianshui-maijishan-airport/1ef266e0-1f33-65fa-bfac-06bb2780ed98)

- City: Tianshui, China
- ICAO: ZLTS
- Timezone: Asia/Shanghai
- Coordinates: 34.560000, 105.860000
- Elevation: 3,590 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 02:22 in Washington, it's 14:22 in Tianshui.
With a 12-hour time difference, expect significant jet lag.

## Related

- [Ronald Reagan Washington Ntl Airport (DCA)](https://www.flightduration.online/airport/dca-washington-ronald-reagan-washington-ntl-airport/1ef266df-16de-6284-ae10-06bb2780ed98)
- [Tianshui Maijishan Airport (THQ)](https://www.flightduration.online/airport/thq-tianshui-tianshui-maijishan-airport/1ef266e0-1f33-65fa-bfac-06bb2780ed98)
- [Flight duration calculator](/#calculator)