# Distance from Houston (IAH) to Sishen (SIS)

> 14,076 km · estimated flight time 18h · Ultra-long-haul route.

## Summary

- **Distance**: 14,076 km / 8,747 mi / 7,601 nm
- **Estimated flight time**: 18h
- **Heading**: 104° (east southeast)
- **Return heading**: 288° (west northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → South Africa
- **Intercontinental**: North America → Africa
- **Time difference**: +7h (When it's 00:42 in Houston, it's 07:42 in Sishen)
- **Elevation difference**: 3,752 ft (SIS 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

### [Sishen Airport (SIS)](https://www.flightduration.online/airport/sis-sishen-sishen-airport/1ef266de-d48f-6414-bfd9-06bb2780ed98)

- City: Sishen, South Africa
- ICAO: FASS
- Timezone: Africa/Johannesburg
- Coordinates: -27.650000, 23.000000
- Elevation: 3,848 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 00:42 in Houston, it's 07:42 in Sishen.
With a 7-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)
- [Sishen Airport (SIS)](https://www.flightduration.online/airport/sis-sishen-sishen-airport/1ef266de-d48f-6414-bfd9-06bb2780ed98)
- [Flight duration calculator](/#calculator)