# Distance from Adelaide (ADL) to Montague (SIY)

> 13,178 km · estimated flight time 17h · Ultra-long-haul route.

## Summary

- **Distance**: 13,178 km / 8,188 mi / 7,115 nm
- **Estimated flight time**: 17h
- **Heading**: 57° (east northeast)
- **Return heading**: 247° (west southwest)
- **Classification**: Ultra-long-haul
- **Type**: International (Australia) → United States
- **Intercontinental**: Oceania → North America
- **Time difference**: -16.5h (When it's 13:30 in Adelaide, it's 21:00 in Montague)
- **Elevation difference**: 2,631 ft (SIY is higher than ADL)

## Airports

### [Adelaide International Airport (ADL)](https://www.flightduration.online/airport/adl-adelaide-adelaide-international-airport/1ef266e0-1682-610e-a772-06bb2780ed98)

- City: Adelaide, Australia
- ICAO: YPAD
- Timezone: Australia/Adelaide
- Coordinates: -34.950000, 138.530000
- Elevation: 20 ft

### [Siskiyou County Airport (SIY)](https://www.flightduration.online/airport/siy-montague-siskiyou-county-airport/1ef266df-388c-6c28-9606-06bb2780ed98)

- City: Montague, United States
- ICAO: KSIY
- Timezone: America/Los_Angeles
- Coordinates: 41.780000, -122.470000
- Elevation: 2,651 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 13:30 in Adelaide, it's 21:00 in Montague.
With a 16.5-hour time difference, expect significant jet lag.

## Related

- [Adelaide International Airport (ADL)](https://www.flightduration.online/airport/adl-adelaide-adelaide-international-airport/1ef266e0-1682-610e-a772-06bb2780ed98)
- [Siskiyou County Airport (SIY)](https://www.flightduration.online/airport/siy-montague-siskiyou-county-airport/1ef266df-388c-6c28-9606-06bb2780ed98)
- [Flight duration calculator](/#calculator)