# Distance from Denver (DEN) to Athens (HEW)

> 9,897 km · estimated flight time 13h · Ultra-long-haul route.

## Summary

- **Distance**: 9,897 km / 6,150 mi / 5,344 nm
- **Estimated flight time**: 13h
- **Heading**: 38° (northeast)
- **Return heading**: 323° (northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Greece
- **Intercontinental**: North America → Europe
- **Time difference**: +9h (When it's 16:48 in Denver, it's 01:48 in Athens)
- **Elevation difference**: 5,365 ft (HEW 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

### [Athen Helenikon Airport (HEW)](https://www.flightduration.online/airport/hew-athens-athen-helenikon-airport/1ef266df-4dd4-6572-87cd-06bb2780ed98)

- City: Athens, Greece
- ICAO: LGAT
- Timezone: Europe/Athens
- Coordinates: 37.890000, 23.730000
- Elevation: 69 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 16:48 in Denver, it's 01:48 in Athens.
With a 9-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)
- [Athen Helenikon Airport (HEW)](https://www.flightduration.online/airport/hew-athens-athen-helenikon-airport/1ef266df-4dd4-6572-87cd-06bb2780ed98)
- [Flight duration calculator](/#calculator)