# Distance from Saint Anne (ACI) to Sydney (SYD)

> 17,224 km · estimated flight time 21h · Ultra-long-haul route.

## Summary

- **Distance**: 17,224 km / 10,703 mi / 9,300 nm
- **Estimated flight time**: 21h
- **Heading**: 61° (east northeast)
- **Return heading**: 317° (northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (GG) → Australia
- **Time difference**: +9h (When it's 22:01 in Saint Anne, it's 07:01 in Sydney)
- **Elevation difference**: 269 ft (SYD is lower than ACI)

## Airports

### [Alderney Airport (ACI)](https://www.flightduration.online/airport/aci-saint-anne-alderney-airport/1ef266de-c416-66b4-bcd1-06bb2780ed98)

- City: Saint Anne, GG
- ICAO: EGJA
- Timezone: Europe/Guernsey
- Coordinates: 49.710000, -2.210000
- Elevation: 290 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 22:01 in Saint Anne, it's 07:01 in Sydney.
With a 9-hour time difference, expect significant jet lag.

## Related

- [Alderney Airport (ACI)](https://www.flightduration.online/airport/aci-saint-anne-alderney-airport/1ef266de-c416-66b4-bcd1-06bb2780ed98)
- [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)