# Distance from Baltimore (BWI) to Horsham Airport (HSM)

> 16,623 km · estimated flight time 21h · Ultra-long-haul route.

## Summary

- **Distance**: 16,623 km / 10,329 mi / 8,976 nm
- **Estimated flight time**: 21h
- **Heading**: 262° (west)
- **Return heading**: 73° (east northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Australia
- **Intercontinental**: North America → Oceania
- **Time difference**: +14h (When it's 12:17 in Baltimore, it's 02:17 in Horsham Airport)
- **Elevation difference**: 302 ft (HSM is higher than BWI)

## Airports

### [Baltimore/Washington International Thurgood Marshall Airport (BWI)](https://www.flightduration.online/airport/bwi-baltimore-baltimorewashington-international-thurgood-marshall-airport/1ef266df-11dd-6712-b7b5-06bb2780ed98)

- City: Baltimore, United States
- ICAO: KBWI
- Timezone: America/New_York
- Coordinates: 39.180000, -76.670000
- Elevation: 143 ft

### [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

## 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 12:17 in Baltimore, it's 02:17 in Horsham Airport.
With a 14-hour time difference, expect significant jet lag.

## Related

- [Baltimore/Washington International Thurgood Marshall Airport (BWI)](https://www.flightduration.online/airport/bwi-baltimore-baltimorewashington-international-thurgood-marshall-airport/1ef266df-11dd-6712-b7b5-06bb2780ed98)
- [Horsham Airport (HSM)](https://www.flightduration.online/airport/hsm-horsham-airport/1ef266e0-0e42-6c78-b268-06bb2780ed98)
- [Flight duration calculator](/#calculator)