# Distance from Donegal (CFN) to Sydney (SYD)

> 17,185 km · estimated flight time 21h · Ultra-long-haul route.

## Summary

- **Distance**: 17,185 km / 10,678 mi / 9,279 nm
- **Estimated flight time**: 21h
- **Heading**: 42° (northeast)
- **Return heading**: 332° (north northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (Ireland) → Australia
- **Intercontinental**: Europe → Oceania
- **Time difference**: +9h (When it's 17:58 in Donegal, it's 02:58 in Sydney)
- **Elevation difference**: 9 ft (SYD is lower than CFN)

## Airports

### [Donegal Airport (CFN)](https://www.flightduration.online/airport/cfn-donegal-donegal-airport/1ef266de-c748-6670-a6f7-06bb2780ed98)

- City: Donegal, Ireland
- ICAO: EIDL
- Timezone: Europe/Dublin
- Coordinates: 55.040000, -8.340000
- Elevation: 30 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 17:58 in Donegal, it's 02:58 in Sydney.
With a 9-hour time difference, expect significant jet lag.

## Related

- [Donegal Airport (CFN)](https://www.flightduration.online/airport/cfn-donegal-donegal-airport/1ef266de-c748-6670-a6f7-06bb2780ed98)
- [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)