# Distance from Portland (PDX) to Semey (PLX)

> 9,123 km · estimated flight time 12h · Ultra-long-haul route.

## Summary

- **Distance**: 9,123 km / 5,668 mi / 4,926 nm
- **Estimated flight time**: 12h
- **Heading**: 346° (north northwest)
- **Return heading**: 16° (north northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Kazakhstan
- **Intercontinental**: North America → Asia
- **Time difference**: +12h (When it's 03:56 in Portland, it's 15:56 in Semey)
- **Elevation difference**: 728 ft (PLX is higher than PDX)

## Airports

### [Portland International Airport (PDX)](https://www.flightduration.online/airport/pdx-portland-portland-international-airport/1ef266df-3254-60d6-87f6-06bb2780ed98)

- City: Portland, United States
- ICAO: KPDX
- Timezone: America/Los_Angeles
- Coordinates: 45.590000, -122.600000
- Elevation: 31 ft

### [Semey International Airport (PLX)](https://www.flightduration.online/airport/plx-semey-semey-international-airport/1ef266df-e435-68ae-a43f-06bb2780ed98)

- City: Semey, Kazakhstan
- ICAO: UASS
- Timezone: Asia/Almaty
- Coordinates: 50.350000, 80.230000
- Elevation: 759 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 03:56 in Portland, it's 15:56 in Semey.
With a 12-hour time difference, expect significant jet lag.

## Related

- [Portland International Airport (PDX)](https://www.flightduration.online/airport/pdx-portland-portland-international-airport/1ef266df-3254-60d6-87f6-06bb2780ed98)
- [Semey International Airport (PLX)](https://www.flightduration.online/airport/plx-semey-semey-international-airport/1ef266df-e435-68ae-a43f-06bb2780ed98)
- [Flight duration calculator](/#calculator)