# Distance from Washington (IAD) to Semey (PLX)

> 9,855 km · estimated flight time 13h · Ultra-long-haul route.

## Summary

- **Distance**: 9,855 km / 6,124 mi / 5,321 nm
- **Estimated flight time**: 13h
- **Heading**: 14° (north northeast)
- **Return heading**: 343° (north northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Kazakhstan
- **Intercontinental**: North America → Asia
- **Time difference**: +9h (When it's 04:03 in Washington, it's 13:03 in Semey)
- **Elevation difference**: 447 ft (PLX is higher than IAD)

## Airports

### [Washington Dulles International Airport (IAD)](https://www.flightduration.online/airport/iad-washington-washington-dulles-international-airport/1ef266df-22cc-64e2-b8c0-06bb2780ed98)

- City: Washington, United States
- ICAO: KIAD
- Timezone: America/New_York
- Coordinates: 38.900000, -77.500000
- Elevation: 312 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 04:03 in Washington, it's 13:03 in Semey.
With a 9-hour time difference, expect significant jet lag.

## Related

- [Washington Dulles International Airport (IAD)](https://www.flightduration.online/airport/iad-washington-washington-dulles-international-airport/1ef266df-22cc-64e2-b8c0-06bb2780ed98)
- [Semey International Airport (PLX)](https://www.flightduration.online/airport/plx-semey-semey-international-airport/1ef266df-e435-68ae-a43f-06bb2780ed98)
- [Flight duration calculator](/#calculator)