# Distance from Houston (IAH) to Zilfi (ZUL)

> 12,452 km · estimated flight time 16h · Ultra-long-haul route.

## Summary

- **Distance**: 12,452 km / 7,737 mi / 6,723 nm
- **Estimated flight time**: 16h
- **Heading**: 38° (northeast)
- **Return heading**: 323° (northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Saudi Arabia
- **Intercontinental**: North America → Asia
- **Time difference**: +8h (When it's 04:14 in Houston, it's 12:14 in Zilfi)
- **Elevation difference**: 1,804 ft (ZUL is higher than IAH)

## Airports

### [George Bush Intcntl/Houston Airport (IAH)](https://flightduration.online/airport/iah-houston-george-bush-intcntlhouston-airport/1ef266df-22d4-6822-bae6-06bb2780ed98)

- City: Houston, United States
- ICAO: KIAH
- Timezone: America/Chicago
- Coordinates: 29.980000, -95.340000
- Elevation: 96 ft

### [Zilfi Airport (ZUL)](https://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 04:14 in Houston, it's 12:14 in Zilfi.
With a 8-hour time difference, expect significant jet lag.

## Related

- [George Bush Intcntl/Houston Airport (IAH)](https://flightduration.online/airport/iah-houston-george-bush-intcntlhouston-airport/1ef266df-22d4-6822-bae6-06bb2780ed98)
- [Zilfi Airport (ZUL)](https://flightduration.online/airport/zul-zilfi-zilfi-airport/1ef266df-7a1b-6586-9ceb-06bb2780ed98)
- [Flight duration calculator](/#calculator)