# Distance from Adelaide (ADL) to Marathon (MTH)

> 16,060 km · estimated flight time 20h · Ultra-long-haul route.

## Summary

- **Distance**: 16,060 km / 9,979 mi / 8,672 nm
- **Estimated flight time**: 20h
- **Heading**: 96° (east)
- **Return heading**: 244° (west southwest)
- **Classification**: Ultra-long-haul
- **Type**: International (Australia) → United States
- **Intercontinental**: Oceania → North America
- **Time difference**: -13.5h (When it's 07:10 in Adelaide, it's 17:40 in Marathon)
- **Elevation difference**: 15 ft (MTH is lower than ADL)

## Airports

### [Adelaide International Airport (ADL)](https://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

### [The Florida Keys Marathon International Airport (MTH)](https://flightduration.online/airport/mth-marathon-the-florida-keys-marathon-international-airport/1ef266df-2c6f-6666-a658-06bb2780ed98)

- City: Marathon, United States
- ICAO: KMTH
- Timezone: America/New_York
- Coordinates: 24.730000, -81.050000
- Elevation: 5 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 07:10 in Adelaide, it's 17:40 in Marathon.
With a 13.5-hour time difference, expect significant jet lag.

## Related

- [Adelaide International Airport (ADL)](https://flightduration.online/airport/adl-adelaide-adelaide-international-airport/1ef266e0-1682-610e-a772-06bb2780ed98)
- [The Florida Keys Marathon International Airport (MTH)](https://flightduration.online/airport/mth-marathon-the-florida-keys-marathon-international-airport/1ef266df-2c6f-6666-a658-06bb2780ed98)
- [Flight duration calculator](/#calculator)