# Distance from Adelaide (ADL) to Great Falls (GTF)

> 14,208 km · estimated flight time 18h · Ultra-long-haul route.

## Summary

- **Distance**: 14,208 km / 8,829 mi / 7,672 nm
- **Estimated flight time**: 18h
- **Heading**: 53° (northeast)
- **Return heading**: 257° (west southwest)
- **Classification**: Ultra-long-haul
- **Type**: International (Australia) → United States
- **Intercontinental**: Oceania → North America
- **Time difference**: -15.5h (When it's 21:10 in Adelaide, it's 05:40 in Great Falls)
- **Elevation difference**: 3,660 ft (GTF 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

### [Great Falls International Airport (GTF)](https://www.flightduration.online/airport/gtf-great-falls-great-falls-international-airport/1ef266df-1f14-6d90-96b1-06bb2780ed98)

- City: Great Falls, United States
- ICAO: KGTF
- Timezone: America/Denver
- Coordinates: 47.480000, -111.370000
- Elevation: 3,680 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 21:10 in Adelaide, it's 05:40 in Great Falls.
With a 15.5-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)
- [Great Falls International Airport (GTF)](https://www.flightduration.online/airport/gtf-great-falls-great-falls-international-airport/1ef266df-1f14-6d90-96b1-06bb2780ed98)
- [Flight duration calculator](/#calculator)