# Distance from St. Mary's (ISC) to Melbourne (MEL)

> 17,352 km · estimated flight time 21h · Ultra-long-haul route.

## Summary

- **Distance**: 17,352 km / 10,782 mi / 9,369 nm
- **Estimated flight time**: 21h
- **Heading**: 70° (east northeast)
- **Return heading**: 310° (northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (United Kingdom) → Australia
- **Intercontinental**: Europe → Oceania
- **Time difference**: +9h (When it's 03:46 in St. Mary's, it's 12:46 in Melbourne)
- **Elevation difference**: 318 ft (MEL is higher than ISC)

## Airports

### [St. Mary's Airport (ISC)](https://www.flightduration.online/airport/isc-st-marys-st-marys-airport/1ef266de-c3dc-66c6-857e-06bb2780ed98)

- City: St. Mary's, United Kingdom
- ICAO: EGHE
- Timezone: Europe/London
- Coordinates: 49.910000, -6.290000
- Elevation: 116 ft

### [Melbourne International Airport (MEL)](https://www.flightduration.online/airport/mel-melbourne-melbourne-international-airport/1ef266e0-1368-61f8-bfbc-06bb2780ed98)

- City: Melbourne, Australia
- ICAO: YMML
- Timezone: Australia/Melbourne
- Coordinates: -37.670000, 144.840000
- Elevation: 434 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 03:46 in St. Mary's, it's 12:46 in Melbourne.
With a 9-hour time difference, expect significant jet lag.

## Related

- [St. Mary's Airport (ISC)](https://www.flightduration.online/airport/isc-st-marys-st-marys-airport/1ef266de-c3dc-66c6-857e-06bb2780ed98)
- [Melbourne International Airport (MEL)](https://www.flightduration.online/airport/mel-melbourne-melbourne-international-airport/1ef266e0-1368-61f8-bfbc-06bb2780ed98)
- [Flight duration calculator](/#calculator)