# Distance from Adelaide (ADL) to St. Theresa Point (YST)

> 15,420 km · estimated flight time 19h · Ultra-long-haul route.

## Summary

- **Distance**: 15,420 km / 9,582 mi / 8,326 nm
- **Estimated flight time**: 19h
- **Heading**: 46° (northeast)
- **Return heading**: 275° (west)
- **Classification**: Ultra-long-haul
- **Type**: International (Australia) → Canada
- **Intercontinental**: Oceania → North America
- **Time difference**: -14.5h (When it's 03:16 in Adelaide, it's 12:46 in St. Theresa Point)
- **Elevation difference**: 753 ft (YST is higher than ADL)

## Airports

### [Adelaide International Airport (ADL)](https://www.flightduration.online/airport/adl-adelaide-adelaide-international-airport/1ef266e0-1682-610e-a772-06bb2780ed98)

- City: Adelaide, Australia
- ICAO: YPAD
- Timezone: Australia/Adelaide
- Coordinates: -34.950000, 138.530000
- Elevation: 20 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 03:16 in Adelaide, it's 12:46 in St. Theresa Point.
With a 14.5-hour time difference, expect significant jet lag.

## Related

- [Adelaide International Airport (ADL)](https://www.flightduration.online/airport/adl-adelaide-adelaide-international-airport/1ef266e0-1682-610e-a772-06bb2780ed98)
- [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)