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

> 17,519 km · estimated flight time 22h · Ultra-long-haul route.

## Summary

- **Distance**: 17,519 km / 10,886 mi / 9,460 nm
- **Estimated flight time**: 22h
- **Heading**: 36° (northeast)
- **Return heading**: 315° (northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (Australia) → United States
- **Intercontinental**: Oceania → North America
- **Time difference**: -12h (When it's 22:41 in Hillside Airport, it's 10:41 in Washington)
- **Elevation difference**: 312 ft (IAD is higher than HLL)

## Airports

### [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

### [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

## 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 22:41 in Hillside Airport, it's 10:41 in Washington.
With a 12-hour time difference, expect significant jet lag.

## Related

- [Hillside Airport (HLL)](https://www.flightduration.online/airport/hll-hillside-airport/1ef266e0-0df0-66ee-bbd9-06bb2780ed98)
- [Washington Dulles International Airport (IAD)](https://www.flightduration.online/airport/iad-washington-washington-dulles-international-airport/1ef266df-22cc-64e2-b8c0-06bb2780ed98)
- [Flight duration calculator](/#calculator)