# Distance from Herendeen Bay (HED) to Sydney (SYD)

> 10,963 km · estimated flight time 14h · Ultra-long-haul route.

## Summary

- **Distance**: 10,963 km / 6,812 mi / 5,920 nm
- **Estimated flight time**: 14h
- **Heading**: 219° (southwest)
- **Return heading**: 25° (north northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Australia
- **Intercontinental**: North America → Oceania
- **Time difference**: +18h (When it's 17:38 in Herendeen Bay, it's 11:38 in Sydney)
- **Elevation difference**: 1 ft (SYD is higher than HED)

## Airports

### [Herendeen Bay Airport (HED)](https://www.flightduration.online/airport/hed-herendeen-bay-herendeen-bay-airport/1ef266de-9910-6352-802d-06bb2780ed98)

- City: Herendeen Bay, United States
- ICAO: AK33
- Timezone: America/Anchorage
- Coordinates: 55.800000, -160.900000
- Elevation: 20 ft

### [Sydney Kingsford Smith International Airport (SYD)](https://www.flightduration.online/airport/syd-sydney-sydney-kingsford-smith-international-airport/1ef266e0-1982-6f84-a5a1-06bb2780ed98)

- City: Sydney, Australia
- ICAO: YSSY
- Timezone: Australia/Sydney
- Coordinates: -33.950000, 151.180000
- Elevation: 21 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 17:38 in Herendeen Bay, it's 11:38 in Sydney.
With a 18-hour time difference, expect significant jet lag.

## Related

- [Herendeen Bay Airport (HED)](https://www.flightduration.online/airport/hed-herendeen-bay-herendeen-bay-airport/1ef266de-9910-6352-802d-06bb2780ed98)
- [Sydney Kingsford Smith International Airport (SYD)](https://www.flightduration.online/airport/syd-sydney-sydney-kingsford-smith-international-airport/1ef266e0-1982-6f84-a5a1-06bb2780ed98)
- [Flight duration calculator](/#calculator)