# Distance from Chilas (CHB) to Houston (IAH)

> 12,658 km · estimated flight time 16h · Ultra-long-haul route.

## Summary

- **Distance**: 12,658 km / 7,865 mi / 6,835 nm
- **Estimated flight time**: 16h
- **Heading**: 350° (north)
- **Return heading**: 9° (north)
- **Classification**: Ultra-long-haul
- **Type**: International (Pakistan) → United States
- **Intercontinental**: Asia → North America
- **Time difference**: -10h (When it's 02:52 in Chilas, it's 16:52 in Houston)
- **Elevation difference**: 4,050 ft (IAH is lower than CHB)

## Airports

### [Chilas Airport (CHB)](https://www.flightduration.online/airport/chb-chilas-chilas-airport/1ef266df-81ae-6eb0-9cc6-06bb2780ed98)

- City: Chilas, Pakistan
- ICAO: OPCL
- Timezone: Asia/Karachi
- Coordinates: 35.430000, 74.080000
- Elevation: 4,146 ft

### [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

## 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 02:52 in Chilas, it's 16:52 in Houston.
With a 10-hour time difference, expect significant jet lag.

## Related

- [Chilas Airport (CHB)](https://www.flightduration.online/airport/chb-chilas-chilas-airport/1ef266df-81ae-6eb0-9cc6-06bb2780ed98)
- [George Bush Intcntl/Houston Airport (IAH)](https://www.flightduration.online/airport/iah-houston-george-bush-intcntlhouston-airport/1ef266df-22d4-6822-bae6-06bb2780ed98)
- [Flight duration calculator](/#calculator)