# Distance from Baltimore (BWI) to Perth (PER)

> 18,619 km · estimated flight time 23h · Ultra-long-haul route.

## Summary

- **Distance**: 18,619 km / 11,569 mi / 10,053 nm
- **Estimated flight time**: 23h
- **Heading**: 301° (west northwest)
- **Return heading**: 51° (northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Australia
- **Intercontinental**: North America → Oceania
- **Time difference**: +12h (When it's 05:26 in Baltimore, it's 17:26 in Perth)
- **Elevation difference**: 76 ft (PER is lower 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

### [Perth International Airport (PER)](https://www.flightduration.online/airport/per-perth-perth-international-airport/1ef266e0-1765-627e-aa2d-06bb2780ed98)

- City: Perth, Australia
- ICAO: YPPH
- Timezone: Australia/Perth
- Coordinates: -31.940000, 115.970000
- Elevation: 67 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 Baltimore, it's 17:26 in Perth.
With a 12-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)
- [Perth International Airport (PER)](https://www.flightduration.online/airport/per-perth-perth-international-airport/1ef266e0-1765-627e-aa2d-06bb2780ed98)
- [Flight duration calculator](/#calculator)