# Distance from Sydney (SYD) to Grenchen Airport (ZHI)

> 16,658 km · estimated flight time 21h · Ultra-long-haul route.

## Summary

- **Distance**: 16,658 km / 10,351 mi / 8,995 nm
- **Estimated flight time**: 21h
- **Heading**: 307° (northwest)
- **Return heading**: 77° (east northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (Australia) → Switzerland
- **Intercontinental**: Oceania → Europe
- **Time difference**: -8h (When it's 05:48 in Sydney, it's 21:48 in Grenchen Airport)
- **Elevation difference**: 1,390 ft (ZHI is higher than SYD)

## Airports

### [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

### [Grenchen Airport (ZHI)](https://www.flightduration.online/airport/zhi-grenchen-airport/1ef266df-57d3-6d48-a5f9-06bb2780ed98)

- City: Grenchen Airport, Switzerland
- ICAO: LSZG
- Timezone: Europe/Zurich
- Coordinates: 47.180000, 7.420000
- Elevation: 1,411 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 05:48 in Sydney, it's 21:48 in Grenchen Airport.
With a 8-hour time difference, expect significant jet lag.

## Related

- [Sydney Kingsford Smith International Airport (SYD)](https://www.flightduration.online/airport/syd-sydney-sydney-kingsford-smith-international-airport/1ef266e0-1982-6f84-a5a1-06bb2780ed98)
- [Grenchen Airport (ZHI)](https://www.flightduration.online/airport/zhi-grenchen-airport/1ef266df-57d3-6d48-a5f9-06bb2780ed98)
- [Flight duration calculator](/#calculator)