# Distance from Leonardtown (LTW) to Perth (PER)

> 18,675 km · estimated flight time 23h · Ultra-long-haul route.

## Summary

- **Distance**: 18,675 km / 11,604 mi / 10,084 nm
- **Estimated flight time**: 23h
- **Heading**: 298° (west northwest)
- **Return heading**: 55° (northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Australia
- **Intercontinental**: North America → Oceania
- **Time difference**: +12h (When it's 04:33 in Leonardtown, it's 16:33 in Perth)
- **Elevation difference**: 75 ft (PER is lower than LTW)

## Airports

### [St Mary's County Regional Airport (LTW)](https://www.flightduration.online/airport/ltw-leonardtown-st-marys-county-regional-airport/1ef266de-fd00-6ff6-a63d-06bb2780ed98)

- City: Leonardtown, United States
- ICAO: K2W6
- Timezone: America/New_York
- Coordinates: 38.320000, -76.550000
- Elevation: 142 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 04:33 in Leonardtown, it's 16:33 in Perth.
With a 12-hour time difference, expect significant jet lag.

## Related

- [St Mary's County Regional Airport (LTW)](https://www.flightduration.online/airport/ltw-leonardtown-st-marys-county-regional-airport/1ef266de-fd00-6ff6-a63d-06bb2780ed98)
- [Perth International Airport (PER)](https://www.flightduration.online/airport/per-perth-perth-international-airport/1ef266e0-1765-627e-aa2d-06bb2780ed98)
- [Flight duration calculator](/#calculator)