# Distance from Perth (PER) to Union Island (UNI)

> 17,848 km · estimated flight time 22h · Ultra-long-haul route.

## Summary

- **Distance**: 17,848 km / 11,090 mi / 9,637 nm
- **Estimated flight time**: 22h
- **Heading**: 188° (south)
- **Return heading**: 173° (south)
- **Classification**: Ultra-long-haul
- **Type**: International (Australia) → Saint Vincent
- **Intercontinental**: Oceania → North America
- **Time difference**: -12h (When it's 06:02 in Perth, it's 18:02 in Union Island)
- **Elevation difference**: 51 ft (UNI 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

### [Union Island International Airport (UNI)](https://www.flightduration.online/airport/uni-union-island-union-island-international-airport/1ef266df-e292-6308-afea-06bb2780ed98)

- City: Union Island, Saint Vincent
- ICAO: TVSU
- Timezone: America/St_Vincent
- Coordinates: 12.600000, -61.410000
- Elevation: 16 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 06:02 in Perth, it's 18:02 in Union Island.
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)
- [Union Island International Airport (UNI)](https://www.flightduration.online/airport/uni-union-island-union-island-international-airport/1ef266df-e292-6308-afea-06bb2780ed98)
- [Flight duration calculator](/#calculator)