# Distance from Key West (NQX) to Sydney (SYD)

> 14,838 km · estimated flight time 18h · Ultra-long-haul route.

## Summary

- **Distance**: 14,838 km / 9,220 mi / 8,012 nm
- **Estimated flight time**: 18h
- **Heading**: 246° (west southwest)
- **Return heading**: 87° (east)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Australia
- **Intercontinental**: North America → Oceania
- **Time difference**: +14h (When it's 22:47 in Key West, it's 12:47 in Sydney)
- **Elevation difference**: 15 ft (SYD is higher than NQX)

## Airports

### [Key West Nas (Boca Chica Field) Airport (NQX)](https://www.flightduration.online/airport/nqx-key-west-key-west-nas-boca-chica-field-airport/1ef266df-2ecf-6884-8e45-06bb2780ed98)

- City: Key West, United States
- ICAO: KNQX
- Timezone: America/New_York
- Coordinates: 24.570000, -81.690000
- Elevation: 6 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 22:47 in Key West, it's 12:47 in Sydney.
With a 14-hour time difference, expect significant jet lag.

## Related

- [Key West Nas (Boca Chica Field) Airport (NQX)](https://www.flightduration.online/airport/nqx-key-west-key-west-nas-boca-chica-field-airport/1ef266df-2ecf-6884-8e45-06bb2780ed98)
- [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)