# Distance from Denver (DEN) to Ulaanbaatar (UBN)

> 9,799 km · estimated flight time 13h · Ultra-long-haul route.

## Summary

- **Distance**: 9,799 km / 6,089 mi / 5,291 nm
- **Estimated flight time**: 13h
- **Heading**: 339° (north northwest)
- **Return heading**: 24° (north northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Mongolia
- **Intercontinental**: North America → Asia
- **Time difference**: +14h (When it's 16:50 in Denver, it's 06:50 in Ulaanbaatar)
- **Elevation difference**: 949 ft (UBN 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

### [Chinggis Khaan International Airport (UBN)](https://www.flightduration.online/airport/ubn-ulaanbaatar-chinggis-khaan-international-airport/1ef266e0-1f73-64e8-ba98-06bb2780ed98)

- City: Ulaanbaatar, Mongolia
- ICAO: ZMCK
- Timezone: Asia/Ulaanbaatar
- Coordinates: 47.650000, 106.820000
- Elevation: 4,485 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 16:50 in Denver, it's 06:50 in Ulaanbaatar.
With a 14-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)
- [Chinggis Khaan International Airport (UBN)](https://www.flightduration.online/airport/ubn-ulaanbaatar-chinggis-khaan-international-airport/1ef266e0-1f73-64e8-ba98-06bb2780ed98)
- [Flight duration calculator](/#calculator)