# Distance from Sydney (SYD) to Union (USC)

> 15,221 km · estimated flight time 19h · Ultra-long-haul route.

## Summary

- **Distance**: 15,221 km / 9,458 mi / 8,219 nm
- **Estimated flight time**: 19h
- **Heading**: 73° (east northeast)
- **Return heading**: 255° (west southwest)
- **Classification**: Ultra-long-haul
- **Type**: International (Australia) → United States
- **Intercontinental**: Oceania → North America
- **Time difference**: -14h (When it's 15:56 in Sydney, it's 01:56 in Union)
- **Elevation difference**: 589 ft (USC is higher than SYD)

## Airports

### [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

### [Union County, Troy Shelton Field (USC)](https://www.flightduration.online/airport/usc-union-union-county-troy-shelton-field/1ef266de-fd5e-6642-bb09-06bb2780ed98)

- City: Union, United States
- ICAO: K35A
- Timezone: America/New_York
- Coordinates: 34.690000, -81.640000
- Elevation: 610 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 15:56 in Sydney, it's 01:56 in Union.
With a 14-hour time difference, expect significant jet lag.

## Related

- [Sydney Kingsford Smith International Airport (SYD)](https://www.flightduration.online/airport/syd-sydney-sydney-kingsford-smith-international-airport/1ef266e0-1982-6f84-a5a1-06bb2780ed98)
- [Union County, Troy Shelton Field (USC)](https://www.flightduration.online/airport/usc-union-union-county-troy-shelton-field/1ef266de-fd5e-6642-bb09-06bb2780ed98)
- [Flight duration calculator](/#calculator)