# Distance from Denver (DEN) to Shiraz (SYZ)

> 11,948 km · estimated flight time 15h · Ultra-long-haul route.

## Summary

- **Distance**: 11,948 km / 7,424 mi / 6,452 nm
- **Estimated flight time**: 15h
- **Heading**: 21° (north northeast)
- **Return heading**: 342° (north northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Iran
- **Intercontinental**: North America → Asia
- **Time difference**: +9.5h (When it's 11:04 in Denver, it's 20:34 in Shiraz)
- **Elevation difference**: 514 ft (SYZ 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

### [Shiraz Shahid Dastghaib International Airport (SYZ)](https://www.flightduration.online/airport/syz-shiraz-shiraz-shahid-dastghaib-international-airport/1ef266df-7e5d-669e-9e37-06bb2780ed98)

- City: Shiraz, Iran
- ICAO: OISS
- Timezone: Asia/Tehran
- Coordinates: 29.540000, 52.590000
- Elevation: 4,920 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 11:04 in Denver, it's 20:34 in Shiraz.
With a 9.5-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)
- [Shiraz Shahid Dastghaib International Airport (SYZ)](https://www.flightduration.online/airport/syz-shiraz-shiraz-shahid-dastghaib-international-airport/1ef266df-7e5d-669e-9e37-06bb2780ed98)
- [Flight duration calculator](/#calculator)