# Distance from Washington (IAD) to Onslow Airport (ONS)

> 17,754 km · estimated flight time 22h · Ultra-long-haul route.

## Summary

- **Distance**: 17,754 km / 11,032 mi / 9,586 nm
- **Estimated flight time**: 22h
- **Heading**: 324° (northwest)
- **Return heading**: 29° (north northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Australia
- **Intercontinental**: North America → Oceania
- **Time difference**: +12h (When it's 03:38 in Washington, it's 15:38 in Onslow Airport)
- **Elevation difference**: 305 ft (ONS is lower than IAD)

## Airports

### [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

### [Onslow Airport (ONS)](https://www.flightduration.online/airport/ons-onslow-airport/1ef266e0-162b-669c-86a6-06bb2780ed98)

- City: Onslow Airport, Australia
- ICAO: YOLW
- Timezone: Australia/Perth
- Coordinates: -21.670000, 115.110000
- Elevation: 7 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 03:38 in Washington, it's 15:38 in Onslow Airport.
With a 12-hour time difference, expect significant jet lag.

## Related

- [Washington Dulles International Airport (IAD)](https://www.flightduration.online/airport/iad-washington-washington-dulles-international-airport/1ef266df-22cc-64e2-b8c0-06bb2780ed98)
- [Onslow Airport (ONS)](https://www.flightduration.online/airport/ons-onslow-airport/1ef266e0-162b-669c-86a6-06bb2780ed98)
- [Flight duration calculator](/#calculator)