# Distance from Imperial (IML) to Perth (PER)

> 16,540 km · estimated flight time 20h · Ultra-long-haul route.

## Summary

- **Distance**: 16,540 km / 10,277 mi / 8,931 nm
- **Estimated flight time**: 20h
- **Heading**: 274° (west)
- **Return heading**: 63° (east northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Australia
- **Intercontinental**: North America → Oceania
- **Time difference**: +14h (When it's 08:51 in Imperial, it's 22:51 in Perth)
- **Elevation difference**: 3,209 ft (PER is lower than IML)

## Airports

### [Imperial Municipal Airport (IML)](https://www.flightduration.online/airport/iml-imperial-imperial-municipal-airport/1ef266df-2349-6cee-bbc5-06bb2780ed98)

- City: Imperial, United States
- ICAO: KIML
- Timezone: America/Denver
- Coordinates: 40.510000, -101.620000
- Elevation: 3,276 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 08:51 in Imperial, it's 22:51 in Perth.
With a 14-hour time difference, expect significant jet lag.

## Related

- [Imperial Municipal Airport (IML)](https://www.flightduration.online/airport/iml-imperial-imperial-municipal-airport/1ef266df-2349-6cee-bbc5-06bb2780ed98)
- [Perth International Airport (PER)](https://www.flightduration.online/airport/per-perth-perth-international-airport/1ef266e0-1765-627e-aa2d-06bb2780ed98)
- [Flight duration calculator](/#calculator)