# Distance from Denver (DEN) to Kelle (KEE)

> 12,459 km · estimated flight time 16h · Ultra-long-haul route.

## Summary

- **Distance**: 12,459 km / 7,742 mi / 6,727 nm
- **Estimated flight time**: 16h
- **Heading**: 70° (east northeast)
- **Return heading**: 314° (northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Congo
- **Intercontinental**: North America → Africa
- **Time difference**: +7h (When it's 04:03 in Denver, it's 11:03 in Kelle)
- **Elevation difference**: 3,908 ft (KEE 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

### [Kelle Airport (KEE)](https://www.flightduration.online/airport/kee-kelle-kelle-airport/1ef266de-d694-63cc-9736-06bb2780ed98)

- City: Kelle, Congo
- ICAO: FCOK
- Timezone: Africa/Brazzaville
- Coordinates: -0.080000, 14.530000
- Elevation: 1,526 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 Denver, it's 11:03 in Kelle.
With a 7-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)
- [Kelle Airport (KEE)](https://www.flightduration.online/airport/kee-kelle-kelle-airport/1ef266de-d694-63cc-9736-06bb2780ed98)
- [Flight duration calculator](/#calculator)