# Distance from Perth (PER) to Charlotte Amalie (STT)

> 18,500 km · estimated flight time 23h · Ultra-long-haul route.

## Summary

- **Distance**: 18,500 km / 11,495 mi / 9,989 nm
- **Estimated flight time**: 23h
- **Heading**: 176° (south)
- **Return heading**: 183° (south)
- **Classification**: Ultra-long-haul
- **Type**: International (Australia) → United States
- **Intercontinental**: Oceania → North America
- **Time difference**: -12h (When it's 11:44 in Perth, it's 23:44 in Charlotte Amalie)
- **Elevation difference**: 43 ft (STT is lower than PER)

## Airports

### [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

### [Cyril E King Airport (STT)](https://www.flightduration.online/airport/stt-charlotte-amalie-cyril-e-king-airport/1ef266df-e014-6496-987b-06bb2780ed98)

- City: Charlotte Amalie, United States
- ICAO: TIST
- Timezone: America/St_Thomas
- Coordinates: 18.340000, -64.970000
- Elevation: 24 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 11:44 in Perth, it's 23:44 in Charlotte Amalie.
With a 12-hour time difference, expect significant jet lag.

## Related

- [Perth International Airport (PER)](https://www.flightduration.online/airport/per-perth-perth-international-airport/1ef266e0-1765-627e-aa2d-06bb2780ed98)
- [Cyril E King Airport (STT)](https://www.flightduration.online/airport/stt-charlotte-amalie-cyril-e-king-airport/1ef266df-e014-6496-987b-06bb2780ed98)
- [Flight duration calculator](/#calculator)