# Distance from Port Heiden (PTH) to Sydney (SYD)

> 11,151 km · estimated flight time 14h · Ultra-long-haul route.

## Summary

- **Distance**: 11,151 km / 6,929 mi / 6,021 nm
- **Estimated flight time**: 14h
- **Heading**: 220° (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 21:45 in Port Heiden, it's 15:45 in Sydney)
- **Elevation difference**: 74 ft (SYD is lower than PTH)

## Airports

### [Port Heiden Airport (PTH)](https://www.flightduration.online/airport/pth-port-heiden-port-heiden-airport/1ef266df-87c9-60ac-b309-06bb2780ed98)

- City: Port Heiden, United States
- ICAO: PAPH
- Timezone: America/Anchorage
- Coordinates: 56.960000, -158.630000
- Elevation: 95 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 21:45 in Port Heiden, it's 15:45 in Sydney.
With a 18-hour time difference, expect significant jet lag.

## Related

- [Port Heiden Airport (PTH)](https://www.flightduration.online/airport/pth-port-heiden-port-heiden-airport/1ef266df-87c9-60ac-b309-06bb2780ed98)
- [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)