# Distance from Choibalsan Airport (COQ) to Denver (DEN)

> 9,491 km · estimated flight time 12h · Ultra-long-haul route.

## Summary

- **Distance**: 9,491 km / 5,897 mi / 5,124 nm
- **Estimated flight time**: 12h
- **Heading**: 29° (north northeast)
- **Return heading**: 335° (north northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (Mongolia) → United States
- **Intercontinental**: Asia → North America
- **Time difference**: -14h (When it's 15:26 in Choibalsan Airport, it's 01:26 in Denver)
- **Elevation difference**: 2,977 ft (DEN is higher than COQ)

## Airports

### [Choibalsan Airport (COQ)](https://www.flightduration.online/airport/coq-choibalsan-airport/1ef266e0-1f6e-6fec-8a82-06bb2780ed98)

- City: Choibalsan Airport, Mongolia
- ICAO: ZMCD
- Timezone: Asia/Ulaanbaatar
- Coordinates: 48.140000, 114.650000
- Elevation: 2,457 ft

### [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

## 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 15:26 in Choibalsan Airport, it's 01:26 in Denver.
With a 14-hour time difference, expect significant jet lag.

## Related

- [Choibalsan Airport (COQ)](https://www.flightduration.online/airport/coq-choibalsan-airport/1ef266e0-1f6e-6fec-8a82-06bb2780ed98)
- [Denver International Airport (DEN)](https://www.flightduration.online/airport/den-denver-denver-international-airport/1ef266df-1706-67b6-bf3a-06bb2780ed98)
- [Flight duration calculator](/#calculator)