# Distance from Herlong (AHC) to Sydney (SYD)

> 12,260 km · estimated flight time 15h · Ultra-long-haul route.

## Summary

- **Distance**: 12,260 km / 7,618 mi / 6,620 nm
- **Estimated flight time**: 15h
- **Heading**: 242° (west southwest)
- **Return heading**: 54° (northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Australia
- **Intercontinental**: North America → Oceania
- **Time difference**: +17h (When it's 11:02 in Herlong, it's 04:02 in Sydney)
- **Elevation difference**: 3,991 ft (SYD is lower than AHC)

## Airports

### [Amedee Army Air Field (AHC)](https://flightduration.online/airport/ahc-herlong-amedee-army-air-field/1ef266df-0da9-6f56-8358-06bb2780ed98)

- City: Herlong, United States
- ICAO: KAHC
- Timezone: America/Los_Angeles
- Coordinates: 40.270000, -120.150000
- Elevation: 4,012 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 11:02 in Herlong, it's 04:02 in Sydney.
With a 17-hour time difference, expect significant jet lag.

## Related

- [Amedee Army Air Field (AHC)](https://flightduration.online/airport/ahc-herlong-amedee-army-air-field/1ef266df-0da9-6f56-8358-06bb2780ed98)
- [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)