# Distance from Williamsport (IPT) to Perth (PER)

> 18,471 km · estimated flight time 23h · Ultra-long-haul route.

## Summary

- **Distance**: 18,471 km / 11,477 mi / 9,974 nm
- **Estimated flight time**: 23h
- **Heading**: 308° (northwest)
- **Return heading**: 44° (northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Australia
- **Intercontinental**: North America → Oceania
- **Time difference**: +12h (When it's 00:04 in Williamsport, it's 12:04 in Perth)
- **Elevation difference**: 461 ft (PER is lower than IPT)

## Airports

### [Williamsport Regional Airport (IPT)](https://www.flightduration.online/airport/ipt-williamsport-williamsport-regional-airport/1ef266df-2389-6060-9abe-06bb2780ed98)

- City: Williamsport, United States
- ICAO: KIPT
- Timezone: America/New_York
- Coordinates: 41.240000, -76.920000
- Elevation: 528 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 00:04 in Williamsport, it's 12:04 in Perth.
With a 12-hour time difference, expect significant jet lag.

## Related

- [Williamsport Regional Airport (IPT)](https://www.flightduration.online/airport/ipt-williamsport-williamsport-regional-airport/1ef266df-2389-6060-9abe-06bb2780ed98)
- [Perth International Airport (PER)](https://www.flightduration.online/airport/per-perth-perth-international-airport/1ef266e0-1765-627e-aa2d-06bb2780ed98)
- [Flight duration calculator](/#calculator)