# Distance from Mount Gunson (GSN) to Washington (IAD)

> 16,778 km · estimated flight time 21h · Ultra-long-haul route.

## Summary

- **Distance**: 16,778 km / 10,426 mi / 9,060 nm
- **Estimated flight time**: 21h
- **Heading**: 66° (east northeast)
- **Return heading**: 274° (west)
- **Classification**: Ultra-long-haul
- **Type**: International (Australia) → United States
- **Intercontinental**: Oceania → North America
- **Time difference**: -13.5h (When it's 02:13 in Mount Gunson, it's 12:43 in Washington)
- **Elevation difference**: 27 ft (IAD is higher than GSN)

## Airports

### [Mount Gunson Airport (GSN)](https://www.flightduration.online/airport/gsn-mount-gunson-mount-gunson-airport/1ef266e0-12a4-68c0-88f3-06bb2780ed98)

- City: Mount Gunson, Australia
- ICAO: YMGN
- Timezone: Australia/Adelaide
- Coordinates: -31.460000, 137.170000
- Elevation: 285 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 02:13 in Mount Gunson, it's 12:43 in Washington.
With a 13.5-hour time difference, expect significant jet lag.

## Related

- [Mount Gunson Airport (GSN)](https://www.flightduration.online/airport/gsn-mount-gunson-mount-gunson-airport/1ef266e0-12a4-68c0-88f3-06bb2780ed98)
- [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)