# Distance from Huntsville (HTV) to Sydney (SYD)

> 13,846 km · estimated flight time 17h · Ultra-long-haul route.

## Summary

- **Distance**: 13,846 km / 8,604 mi / 7,476 nm
- **Estimated flight time**: 17h
- **Heading**: 248° (west southwest)
- **Return heading**: 73° (east northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Australia
- **Intercontinental**: North America → Oceania
- **Time difference**: +15h (When it's 02:35 in Huntsville, it's 17:35 in Sydney)
- **Elevation difference**: 342 ft (SYD is lower than HTV)

## Airports

### [Huntsville Municipal Airport (HTV)](https://www.flightduration.online/airport/htv-huntsville-huntsville-municipal-airport/1ef266df-3e37-6434-9956-06bb2780ed98)

- City: Huntsville, United States
- ICAO: KUTS
- Timezone: America/Chicago
- Coordinates: 30.750000, -95.590000
- Elevation: 363 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 02:35 in Huntsville, it's 17:35 in Sydney.
With a 15-hour time difference, expect significant jet lag.

## Related

- [Huntsville Municipal Airport (HTV)](https://www.flightduration.online/airport/htv-huntsville-huntsville-municipal-airport/1ef266df-3e37-6434-9956-06bb2780ed98)
- [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)