# Distance from Denver (DEN) to Semey (PLX)

> 9,973 km · estimated flight time 13h · Ultra-long-haul route.

## Summary

- **Distance**: 9,973 km / 6,197 mi / 5,385 nm
- **Estimated flight time**: 13h
- **Heading**: 357° (north)
- **Return heading**: 4° (north)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Kazakhstan
- **Intercontinental**: North America → Asia
- **Time difference**: +11h (When it's 07:29 in Denver, it's 18:29 in Semey)
- **Elevation difference**: 4,675 ft (PLX is lower than DEN)

## Airports

### [Denver International Airport (DEN)](https://www.flightduration.online/airport/den-denver-denver-international-airport/1ef266df-1706-67b6-bf3a-06bb2780ed98)

- City: Denver, United States
- ICAO: KDEN
- Timezone: America/Denver
- Coordinates: 39.860000, -104.670000
- Elevation: 5,434 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 07:29 in Denver, it's 18:29 in Semey.
With a 11-hour time difference, expect significant jet lag.

## Related

- [Denver International Airport (DEN)](https://www.flightduration.online/airport/den-denver-denver-international-airport/1ef266df-1706-67b6-bf3a-06bb2780ed98)
- [Semey International Airport (PLX)](https://www.flightduration.online/airport/plx-semey-semey-international-airport/1ef266df-e435-68ae-a43f-06bb2780ed98)
- [Flight duration calculator](/#calculator)