# Distance from Houghton Lake (HTL) to Perth (PER)

> 17,749 km · estimated flight time 22h · Ultra-long-haul route.

## Summary

- **Distance**: 17,749 km / 11,029 mi / 9,584 nm
- **Estimated flight time**: 22h
- **Heading**: 301° (west northwest)
- **Return heading**: 46° (northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Australia
- **Intercontinental**: North America → Oceania
- **Time difference**: +12h (When it's 08:30 in Houghton Lake, it's 20:30 in Perth)
- **Elevation difference**: 1,083 ft (PER is lower than HTL)

## Airports

### [Roscommon County/Blodgett Memorial Airport (HTL)](https://www.flightduration.online/airport/htl-houghton-lake-roscommon-countyblodgett-memorial-airport/1ef266df-2198-61a2-b7d7-06bb2780ed98)

- City: Houghton Lake, United States
- ICAO: KHTL
- Timezone: America/Detroit
- Coordinates: 44.400000, -84.700000
- Elevation: 1,150 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 08:30 in Houghton Lake, it's 20:30 in Perth.
With a 12-hour time difference, expect significant jet lag.

## Related

- [Roscommon County/Blodgett Memorial Airport (HTL)](https://www.flightduration.online/airport/htl-houghton-lake-roscommon-countyblodgett-memorial-airport/1ef266df-2198-61a2-b7d7-06bb2780ed98)
- [Perth International Airport (PER)](https://www.flightduration.online/airport/per-perth-perth-international-airport/1ef266e0-1765-627e-aa2d-06bb2780ed98)
- [Flight duration calculator](/#calculator)