# Distance from Adelaide (ADL) to Leonardtown (LTW)

> 16,881 km · estimated flight time 21h · Ultra-long-haul route.

## Summary

- **Distance**: 16,881 km / 10,490 mi / 9,115 nm
- **Estimated flight time**: 21h
- **Heading**: 73° (east northeast)
- **Return heading**: 266° (west)
- **Classification**: Ultra-long-haul
- **Type**: International (Australia) → United States
- **Intercontinental**: Oceania → North America
- **Time difference**: -13.5h (When it's 01:44 in Adelaide, it's 12:14 in Leonardtown)
- **Elevation difference**: 122 ft (LTW 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 Mary's County Regional Airport (LTW)](https://www.flightduration.online/airport/ltw-leonardtown-st-marys-county-regional-airport/1ef266de-fd00-6ff6-a63d-06bb2780ed98)

- City: Leonardtown, United States
- ICAO: K2W6
- Timezone: America/New_York
- Coordinates: 38.320000, -76.550000
- Elevation: 142 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 01:44 in Adelaide, it's 12:14 in Leonardtown.
With a 13.5-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 Mary's County Regional Airport (LTW)](https://www.flightduration.online/airport/ltw-leonardtown-st-marys-county-regional-airport/1ef266de-fd00-6ff6-a63d-06bb2780ed98)
- [Flight duration calculator](/#calculator)