# Distance from Alamosa (ALS) to Perth (PER)

> 16,173 km · estimated flight time 20h · Ultra-long-haul route.

## Summary

- **Distance**: 16,173 km / 10,049 mi / 8,733 nm
- **Estimated flight time**: 20h
- **Heading**: 266° (west)
- **Return heading**: 69° (east northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Australia
- **Intercontinental**: North America → Oceania
- **Time difference**: +14h (When it's 20:08 in Alamosa, it's 10:08 in Perth)
- **Elevation difference**: 7,473 ft (PER is lower than ALS)

## Airports

### [San Luis Valley Regional/Bergman Field (ALS)](https://www.flightduration.online/airport/als-alamosa-san-luis-valley-regionalbergman-field/1ef266df-0e1d-6cb2-9473-06bb2780ed98)

- City: Alamosa, United States
- ICAO: KALS
- Timezone: America/Denver
- Coordinates: 37.440000, -105.870000
- Elevation: 7,540 ft

### [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

## 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 20:08 in Alamosa, it's 10:08 in Perth.
With a 14-hour time difference, expect significant jet lag.

## Related

- [San Luis Valley Regional/Bergman Field (ALS)](https://www.flightduration.online/airport/als-alamosa-san-luis-valley-regionalbergman-field/1ef266df-0e1d-6cb2-9473-06bb2780ed98)
- [Perth International Airport (PER)](https://www.flightduration.online/airport/per-perth-perth-international-airport/1ef266e0-1765-627e-aa2d-06bb2780ed98)
- [Flight duration calculator](/#calculator)