# Distance from Houston (IAH) to Kiembi Samaki (ZNZ)

> 14,586 km · estimated flight time 18h · Ultra-long-haul route.

## Summary

- **Distance**: 14,586 km / 9,063 mi / 7,876 nm
- **Estimated flight time**: 18h
- **Heading**: 70° (east northeast)
- **Return heading**: 305° (northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Tanzania
- **Intercontinental**: North America → Africa
- **Time difference**: +8h (When it's 20:29 in Houston, it's 04:29 in Kiembi Samaki)
- **Elevation difference**: 42 ft (ZNZ is lower 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

### [Zanzibar Airport (ZNZ)](https://www.flightduration.online/airport/znz-kiembi-samaki-zanzibar-airport/1ef266de-ef54-6e70-bc09-06bb2780ed98)

- City: Kiembi Samaki, Tanzania
- ICAO: HTZA
- Timezone: Africa/Dar_es_Salaam
- Coordinates: -6.220000, 39.220000
- Elevation: 54 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 20:29 in Houston, it's 04:29 in Kiembi Samaki.
With a 8-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)
- [Zanzibar Airport (ZNZ)](https://www.flightduration.online/airport/znz-kiembi-samaki-zanzibar-airport/1ef266de-ef54-6e70-bc09-06bb2780ed98)
- [Flight duration calculator](/#calculator)