# Distance from Houston (IAH) to Kashan Airport (KKS)

> 12,108 km · estimated flight time 15h · Ultra-long-haul route.

## Summary

- **Distance**: 12,108 km / 7,523 mi / 6,538 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 19:55 in Houston, it's 04:25 in Kashan Airport)
- **Elevation difference**: 3,369 ft (KKS 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

### [Kashan Airport (KKS)](https://flightduration.online/airport/kks-kashan-airport/1ef266df-7d54-6b76-9d0d-06bb2780ed98)

- City: Kashan Airport, Iran
- ICAO: OIFK
- Timezone: Asia/Tehran
- Coordinates: 33.900000, 51.580000
- Elevation: 3,465 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 19:55 in Houston, it's 04:25 in Kashan Airport.
With a 8.5-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)
- [Kashan Airport (KKS)](https://flightduration.online/airport/kks-kashan-airport/1ef266df-7d54-6b76-9d0d-06bb2780ed98)
- [Flight duration calculator](/#calculator)