# Distance from Altenrhein (ACH) to Sydney (SYD)

> 16,494 km · estimated flight time 20h · Ultra-long-haul route.

## Summary

- **Distance**: 16,494 km / 10,249 mi / 8,906 nm
- **Estimated flight time**: 20h
- **Heading**: 79° (east)
- **Return heading**: 307° (northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (Switzerland) → Australia
- **Intercontinental**: Europe → Oceania
- **Time difference**: +8h (When it's 07:01 in Altenrhein, it's 15:01 in Sydney)
- **Elevation difference**: 1,285 ft (SYD is lower than ACH)

## Airports

### [St Gallen Altenrhein Airport (ACH)](https://www.flightduration.online/airport/ach-altenrhein-st-gallen-altenrhein-airport/1ef266df-5802-6f44-959c-06bb2780ed98)

- City: Altenrhein, Switzerland
- ICAO: LSZR
- Timezone: Europe/Zurich
- Coordinates: 47.480000, 9.560000
- Elevation: 1,306 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 07:01 in Altenrhein, it's 15:01 in Sydney.
With a 8-hour time difference, expect significant jet lag.

## Related

- [St Gallen Altenrhein Airport (ACH)](https://www.flightduration.online/airport/ach-altenrhein-st-gallen-altenrhein-airport/1ef266df-5802-6f44-959c-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)