# Distance from Changzhou (CZX) to Washington (DCA)

> 11,956 km · estimated flight time 15h · Ultra-long-haul route.

## Summary

- **Distance**: 11,956 km / 7,429 mi / 6,456 nm
- **Estimated flight time**: 15h
- **Heading**: 14° (north northeast)
- **Return heading**: 345° (north northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (China) → United States
- **Intercontinental**: Asia → North America
- **Time difference**: -12h (When it's 14:49 in Changzhou, it's 02:49 in Washington)
- **Elevation difference**: 14 ft (DCA is higher than CZX)

## Airports

### [Changzhou Airport (CZX)](https://www.flightduration.online/airport/czx-changzhou-changzhou-airport/1ef266e0-1fd2-6eac-8d6b-06bb2780ed98)

- City: Changzhou, China
- ICAO: ZSCG
- Timezone: Asia/Shanghai
- Coordinates: 31.920000, 119.780000
- Elevation: 0 ft

### [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

## 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 14:49 in Changzhou, it's 02:49 in Washington.
With a 12-hour time difference, expect significant jet lag.

## Related

- [Changzhou Airport (CZX)](https://www.flightduration.online/airport/czx-changzhou-changzhou-airport/1ef266e0-1fd2-6eac-8d6b-06bb2780ed98)
- [Ronald Reagan Washington Ntl Airport (DCA)](https://www.flightduration.online/airport/dca-washington-ronald-reagan-washington-ntl-airport/1ef266df-16de-6284-ae10-06bb2780ed98)
- [Flight duration calculator](/#calculator)