# Distance from Shannon (SNN) to Sydney (SYD)

> 17,400 km · estimated flight time 21h · Ultra-long-haul route.

## Summary

- **Distance**: 17,400 km / 10,812 mi / 9,395 nm
- **Estimated flight time**: 21h
- **Heading**: 45° (northeast)
- **Return heading**: 329° (north northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (Ireland) → Australia
- **Intercontinental**: Europe → Oceania
- **Time difference**: +9h (When it's 02:43 in Shannon, it's 11:43 in Sydney)
- **Elevation difference**: 25 ft (SYD is lower than SNN)

## Airports

### [Shannon Airport (SNN)](https://flightduration.online/airport/snn-shannon-shannon-airport/1ef266de-c796-60b4-8116-06bb2780ed98)

- City: Shannon, Ireland
- ICAO: EINN
- Timezone: Europe/Dublin
- Coordinates: 52.700000, -8.920000
- Elevation: 46 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 02:43 in Shannon, it's 11:43 in Sydney.
With a 9-hour time difference, expect significant jet lag.

## Related

- [Shannon Airport (SNN)](https://flightduration.online/airport/snn-shannon-shannon-airport/1ef266de-c796-60b4-8116-06bb2780ed98)
- [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)