# Distance from Coolah Airport (CLH) to Washington (DCA)

> 15,756 km · estimated flight time 20h · Ultra-long-haul route.

## Summary

- **Distance**: 15,756 km / 9,791 mi / 8,508 nm
- **Estimated flight time**: 20h
- **Heading**: 66° (east northeast)
- **Return heading**: 266° (west)
- **Classification**: Ultra-long-haul
- **Type**: International (Australia) → United States
- **Intercontinental**: Oceania → North America
- **Time difference**: -14h (When it's 18:54 in Coolah Airport, it's 04:54 in Washington)
- **Elevation difference**: 490 ft (DCA is lower than CLH)

## Airports

### [Coolah Airport (CLH)](https://www.flightduration.online/airport/clh-coolah-airport/1ef266e0-07c8-6ece-9afe-06bb2780ed98)

- City: Coolah Airport, Australia
- ICAO: YCAH
- Timezone: Australia/Sydney
- Coordinates: -31.770000, 149.610000
- Elevation: 504 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 18:54 in Coolah Airport, it's 04:54 in Washington.
With a 14-hour time difference, expect significant jet lag.

## Related

- [Coolah Airport (CLH)](https://www.flightduration.online/airport/clh-coolah-airport/1ef266e0-07c8-6ece-9afe-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)