# Distance from Denver (DEN) to Zilfi (ZUL)

> 12,004 km · estimated flight time 15h · Ultra-long-haul route.

## Summary

- **Distance**: 12,004 km / 7,459 mi / 6,481 nm
- **Estimated flight time**: 15h
- **Heading**: 29° (north northeast)
- **Return heading**: 336° (north northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Saudi Arabia
- **Intercontinental**: North America → Asia
- **Time difference**: +9h (When it's 16:28 in Denver, it's 01:28 in Zilfi)
- **Elevation difference**: 3,534 ft (ZUL 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

### [Zilfi Airport (ZUL)](https://www.flightduration.online/airport/zul-zilfi-zilfi-airport/1ef266df-7a1b-6586-9ceb-06bb2780ed98)

- City: Zilfi, Saudi Arabia
- ICAO: OEZL
- Timezone: Asia/Riyadh
- Coordinates: 26.350000, 44.830000
- Elevation: 1,900 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 16:28 in Denver, it's 01:28 in Zilfi.
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)
- [Zilfi Airport (ZUL)](https://www.flightduration.online/airport/zul-zilfi-zilfi-airport/1ef266df-7a1b-6586-9ceb-06bb2780ed98)
- [Flight duration calculator](/#calculator)