# Distance from Perth (PER) to Montague (SIY)

> 14,804 km · estimated flight time 18h · Ultra-long-haul route.

## Summary

- **Distance**: 14,804 km / 9,199 mi / 7,993 nm
- **Estimated flight time**: 18h
- **Heading**: 61° (east northeast)
- **Return heading**: 262° (west)
- **Classification**: Ultra-long-haul
- **Type**: International (Australia) → United States
- **Intercontinental**: Oceania → North America
- **Time difference**: -15h (When it's 11:48 in Perth, it's 20:48 in Montague)
- **Elevation difference**: 2,584 ft (SIY is higher than PER)

## Airports

### [Perth International Airport (PER)](https://www.flightduration.online/airport/per-perth-perth-international-airport/1ef266e0-1765-627e-aa2d-06bb2780ed98)

- City: Perth, Australia
- ICAO: YPPH
- Timezone: Australia/Perth
- Coordinates: -31.940000, 115.970000
- Elevation: 67 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 11:48 in Perth, it's 20:48 in Montague.
With a 15-hour time difference, expect significant jet lag.

## Related

- [Perth International Airport (PER)](https://www.flightduration.online/airport/per-perth-perth-international-airport/1ef266e0-1765-627e-aa2d-06bb2780ed98)
- [Siskiyou County Airport (SIY)](https://www.flightduration.online/airport/siy-montague-siskiyou-county-airport/1ef266df-388c-6c28-9606-06bb2780ed98)
- [Flight duration calculator](/#calculator)