# Distance from Gordon Downs (GDD) to Washington (IAD)

> 16,644 km · estimated flight time 21h · Ultra-long-haul route.

## Summary

- **Distance**: 16,644 km / 10,342 mi / 8,987 nm
- **Estimated flight time**: 21h
- **Heading**: 43° (northeast)
- **Return heading**: 304° (northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (Australia) → United States
- **Intercontinental**: Oceania → North America
- **Time difference**: -12h (When it's 09:48 in Gordon Downs, it's 21:48 in Washington)
- **Elevation difference**: 488 ft (IAD is lower than GDD)

## Airports

### [Gordon Downs Airport (GDD)](https://www.flightduration.online/airport/gdd-gordon-downs-gordon-downs-airport/1ef266e0-0ca8-67fa-bcf7-06bb2780ed98)

- City: Gordon Downs, Australia
- ICAO: YGDN
- Timezone: Australia/Perth
- Coordinates: -18.680000, 128.590000
- Elevation: 800 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 09:48 in Gordon Downs, it's 21:48 in Washington.
With a 12-hour time difference, expect significant jet lag.

## Related

- [Gordon Downs Airport (GDD)](https://www.flightduration.online/airport/gdd-gordon-downs-gordon-downs-airport/1ef266e0-0ca8-67fa-bcf7-06bb2780ed98)
- [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)