# Distance from Casper (CPR) to Perth (PER)

> 16,121 km · estimated flight time 20h · Ultra-long-haul route.

## Summary

- **Distance**: 16,121 km / 10,017 mi / 8,705 nm
- **Estimated flight time**: 20h
- **Heading**: 274° (west)
- **Return heading**: 59° (east northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Australia
- **Intercontinental**: North America → Oceania
- **Time difference**: +14h (When it's 22:43 in Casper, it's 12:43 in Perth)
- **Elevation difference**: 5,277 ft (PER is lower than CPR)

## Airports

### [Casper/Natrona County International Airport (CPR)](https://www.flightduration.online/airport/cpr-casper-caspernatrona-county-international-airport/1ef266df-14d5-6898-9a21-06bb2780ed98)

- City: Casper, United States
- ICAO: KCPR
- Timezone: America/Denver
- Coordinates: 42.910000, -106.460000
- Elevation: 5,344 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 22:43 in Casper, it's 12:43 in Perth.
With a 14-hour time difference, expect significant jet lag.

## Related

- [Casper/Natrona County International Airport (CPR)](https://www.flightduration.online/airport/cpr-casper-caspernatrona-county-international-airport/1ef266df-14d5-6898-9a21-06bb2780ed98)
- [Perth International Airport (PER)](https://www.flightduration.online/airport/per-perth-perth-international-airport/1ef266e0-1765-627e-aa2d-06bb2780ed98)
- [Flight duration calculator](/#calculator)