# Distance from Perth (PER) to Bristol/Johnson/Kingsport (TRI)

> 18,254 km · estimated flight time 22h · Ultra-long-haul route.

## Summary

- **Distance**: 18,254 km / 11,343 mi / 9,857 nm
- **Estimated flight time**: 22h
- **Heading**: 68° (east northeast)
- **Return heading**: 281° (west northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (Australia) → United States
- **Intercontinental**: Oceania → North America
- **Time difference**: -12h (When it's 17:29 in Perth, it's 05:29 in Bristol/Johnson/Kingsport)
- **Elevation difference**: 1,452 ft (TRI is higher than PER)

## Airports

### [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

### [Tri-Cities Airport (TRI)](https://www.flightduration.online/airport/tri-bristoljohnsonkingsport-tri-cities-airport/1ef266df-3c1b-6a24-b9e2-06bb2780ed98)

- City: Bristol/Johnson/Kingsport, United States
- ICAO: KTRI
- Timezone: America/New_York
- Coordinates: 36.480000, -82.410000
- Elevation: 1,519 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 17:29 in Perth, it's 05:29 in Bristol/Johnson/Kingsport.
With a 12-hour time difference, expect significant jet lag.

## Related

- [Perth International Airport (PER)](https://www.flightduration.online/airport/per-perth-perth-international-airport/1ef266e0-1765-627e-aa2d-06bb2780ed98)
- [Tri-Cities Airport (TRI)](https://www.flightduration.online/airport/tri-bristoljohnsonkingsport-tri-cities-airport/1ef266df-3c1b-6a24-b9e2-06bb2780ed98)
- [Flight duration calculator](/#calculator)