# Distance from Adelaide (ADL) to Mary's Harbour (YMH)

> 17,775 km · estimated flight time 22h · Ultra-long-haul route.

## Summary

- **Distance**: 17,775 km / 11,045 mi / 9,598 nm
- **Estimated flight time**: 22h
- **Heading**: 26° (north northeast)
- **Return heading**: 324° (northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (Australia) → Canada
- **Intercontinental**: Oceania → North America
- **Time difference**: -12h (When it's 05:00 in Adelaide, it's 17:00 in Mary's Harbour)
- **Elevation difference**: 18 ft (YMH 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

### [Mary's Harbour Airport (YMH)](https://www.flightduration.online/airport/ymh-marys-harbour-marys-harbour-airport/1ef266de-b113-6e7c-abf4-06bb2780ed98)

- City: Mary's Harbour, Canada
- ICAO: CYMH
- Timezone: America/St_Johns
- Coordinates: 52.300000, -55.850000
- Elevation: 38 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 05:00 in Adelaide, it's 17:00 in Mary's Harbour.
With a 12-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)
- [Mary's Harbour Airport (YMH)](https://www.flightduration.online/airport/ymh-marys-harbour-marys-harbour-airport/1ef266de-b113-6e7c-abf4-06bb2780ed98)
- [Flight duration calculator](/#calculator)