# Distance from Horsham Airport (HSM) to London (LGW)

> 16,647 km · estimated flight time 21h · Ultra-long-haul route.

## Summary

- **Distance**: 16,647 km / 10,344 mi / 8,989 nm
- **Estimated flight time**: 21h
- **Heading**: 311° (northwest)
- **Return heading**: 76° (east northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (Australia) → United Kingdom
- **Intercontinental**: Oceania → Europe
- **Time difference**: -9h (When it's 05:26 in Horsham Airport, it's 20:26 in London)
- **Elevation difference**: 243 ft (LGW is lower than HSM)

## Airports

### [Horsham Airport (HSM)](https://www.flightduration.online/airport/hsm-horsham-airport/1ef266e0-0e42-6c78-b268-06bb2780ed98)

- City: Horsham Airport, Australia
- ICAO: YHSM
- Timezone: Australia/Melbourne
- Coordinates: -36.670000, 142.170000
- Elevation: 445 ft

### [London Gatwick Airport (LGW)](https://www.flightduration.online/airport/lgw-london-london-gatwick-airport/1ef266de-c432-61fc-ac84-06bb2780ed98)

- City: London, United Kingdom
- ICAO: EGKK
- Timezone: Europe/London
- Coordinates: 51.150000, -0.190000
- Elevation: 202 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 05:26 in Horsham Airport, it's 20:26 in London.
With a 9-hour time difference, expect significant jet lag.

## Related

- [Horsham Airport (HSM)](https://www.flightduration.online/airport/hsm-horsham-airport/1ef266e0-0e42-6c78-b268-06bb2780ed98)
- [London Gatwick Airport (LGW)](https://www.flightduration.online/airport/lgw-london-london-gatwick-airport/1ef266de-c432-61fc-ac84-06bb2780ed98)
- [Flight duration calculator](/#calculator)