# Distance from Gustavus (GST) to Sydney (SYD)

> 12,283 km · estimated flight time 15h · Ultra-long-haul route.

## Summary

- **Distance**: 12,283 km / 7,632 mi / 6,632 nm
- **Estimated flight time**: 15h
- **Heading**: 238° (west southwest)
- **Return heading**: 32° (north northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Australia
- **Intercontinental**: North America → Oceania
- **Time difference**: +18h (When it's 14:07 in Gustavus, it's 08:07 in Sydney)
- **Elevation difference**: 15 ft (SYD is lower than GST)

## Airports

### [Gustavus Airport (GST)](https://flightduration.online/airport/gst-gustavus-gustavus-airport/1ef266df-8693-65de-9245-06bb2780ed98)

- City: Gustavus, United States
- ICAO: PAGS
- Timezone: America/Anchorage
- Coordinates: 58.430000, -135.710000
- Elevation: 36 ft

### [Sydney Kingsford Smith International Airport (SYD)](https://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 14:07 in Gustavus, it's 08:07 in Sydney.
With a 18-hour time difference, expect significant jet lag.

## Related

- [Gustavus Airport (GST)](https://flightduration.online/airport/gst-gustavus-gustavus-airport/1ef266df-8693-65de-9245-06bb2780ed98)
- [Sydney Kingsford Smith International Airport (SYD)](https://flightduration.online/airport/syd-sydney-sydney-kingsford-smith-international-airport/1ef266e0-1982-6f84-a5a1-06bb2780ed98)
- [Flight duration calculator](/#calculator)