# Distance from Perth (PER) to St. Theresa Point (YST)

> 16,567 km · estimated flight time 20h · Ultra-long-haul route.

## Summary

- **Distance**: 16,567 km / 10,294 mi / 8,945 nm
- **Estimated flight time**: 20h
- **Heading**: 36° (northeast)
- **Return heading**: 302° (west northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (Australia) → Canada
- **Intercontinental**: Oceania → North America
- **Time difference**: -13h (When it's 21:30 in Perth, it's 08:30 in St. Theresa Point)
- **Elevation difference**: 706 ft (YST is higher 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

### [St. Theresa Point Airport (YST)](https://www.flightduration.online/airport/yst-st-theresa-point-st-theresa-point-airport/1ef266de-b2c3-6cc2-8f74-06bb2780ed98)

- City: St. Theresa Point, Canada
- ICAO: CYST
- Timezone: America/Winnipeg
- Coordinates: 53.850000, -94.850000
- Elevation: 773 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 21:30 in Perth, it's 08:30 in St. Theresa Point.
With a 13-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)
- [St. Theresa Point Airport (YST)](https://www.flightduration.online/airport/yst-st-theresa-point-st-theresa-point-airport/1ef266de-b2c3-6cc2-8f74-06bb2780ed98)
- [Flight duration calculator](/#calculator)