# Distance from Houston (IAH) to Isfahan (IFN)

> 12,232 km · estimated flight time 15h · Ultra-long-haul route.

## Summary

- **Distance**: 12,232 km / 7,600 mi / 6,605 nm
- **Estimated flight time**: 15h
- **Heading**: 29° (north northeast)
- **Return heading**: 330° (north northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Iran
- **Intercontinental**: North America → Asia
- **Time difference**: +8.5h (When it's 20:25 in Houston, it's 04:55 in Isfahan)
- **Elevation difference**: 4,963 ft (IFN is higher than IAH)

## Airports

### [George Bush Intcntl/Houston Airport (IAH)](https://www.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

### [Esfahan Shahid Beheshti International Airport (IFN)](https://www.flightduration.online/airport/ifn-isfahan-esfahan-shahid-beheshti-international-airport/1ef266df-7d59-698c-b27a-06bb2780ed98)

- City: Isfahan, Iran
- ICAO: OIFM
- Timezone: Asia/Tehran
- Coordinates: 32.750000, 51.860000
- Elevation: 5,059 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 20:25 in Houston, it's 04:55 in Isfahan.
With a 8.5-hour time difference, expect significant jet lag.

## Related

- [George Bush Intcntl/Houston Airport (IAH)](https://www.flightduration.online/airport/iah-houston-george-bush-intcntlhouston-airport/1ef266df-22d4-6822-bae6-06bb2780ed98)
- [Esfahan Shahid Beheshti International Airport (IFN)](https://www.flightduration.online/airport/ifn-isfahan-esfahan-shahid-beheshti-international-airport/1ef266df-7d59-698c-b27a-06bb2780ed98)
- [Flight duration calculator](/#calculator)