# Distance from Marathon (MTH) to Perth (PER)

> 18,170 km · estimated flight time 22h · Ultra-long-haul route.

## Summary

- **Distance**: 18,170 km / 11,290 mi / 9,811 nm
- **Estimated flight time**: 22h
- **Heading**: 240° (west southwest)
- **Return heading**: 111° (east southeast)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Australia
- **Intercontinental**: North America → Oceania
- **Time difference**: +12h (When it's 13:42 in Marathon, it's 01:42 in Perth)
- **Elevation difference**: 62 ft (PER is higher than MTH)

## Airports

### [The Florida Keys Marathon International Airport (MTH)](https://flightduration.online/airport/mth-marathon-the-florida-keys-marathon-international-airport/1ef266df-2c6f-6666-a658-06bb2780ed98)

- City: Marathon, United States
- ICAO: KMTH
- Timezone: America/New_York
- Coordinates: 24.730000, -81.050000
- Elevation: 5 ft

### [Perth International Airport (PER)](https://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 13:42 in Marathon, it's 01:42 in Perth.
With a 12-hour time difference, expect significant jet lag.

## Related

- [The Florida Keys Marathon International Airport (MTH)](https://flightduration.online/airport/mth-marathon-the-florida-keys-marathon-international-airport/1ef266df-2c6f-6666-a658-06bb2780ed98)
- [Perth International Airport (PER)](https://flightduration.online/airport/per-perth-perth-international-airport/1ef266e0-1765-627e-aa2d-06bb2780ed98)
- [Flight duration calculator](/#calculator)