# Distance from Washington (DCA) to Hillside Airport (HLL)

> 17,551 km · estimated flight time 22h · Ultra-long-haul route.

## Summary

- **Distance**: 17,551 km / 10,906 mi / 9,477 nm
- **Estimated flight time**: 22h
- **Heading**: 316° (northwest)
- **Return heading**: 36° (northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Australia
- **Intercontinental**: North America → Oceania
- **Time difference**: +12h (When it's 16:57 in Washington, it's 04:57 in Hillside Airport)
- **Elevation difference**: 14 ft (HLL is lower 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

### [Hillside Airport (HLL)](https://www.flightduration.online/airport/hll-hillside-airport/1ef266e0-0df0-66ee-bbd9-06bb2780ed98)

- City: Hillside Airport, Australia
- ICAO: YHIL
- Timezone: Australia/Perth
- Coordinates: -21.750000, 119.420000
- Elevation: 0 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 16:57 in Washington, it's 04:57 in Hillside Airport.
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)
- [Hillside Airport (HLL)](https://www.flightduration.online/airport/hll-hillside-airport/1ef266e0-0df0-66ee-bbd9-06bb2780ed98)
- [Flight duration calculator](/#calculator)