# Distance from Houston (IAH) to Sao Tome (TMS)

> 11,145 km · estimated flight time 14h · Ultra-long-haul route.

## Summary

- **Distance**: 11,145 km / 6,925 mi / 6,018 nm
- **Estimated flight time**: 14h
- **Heading**: 84° (east)
- **Return heading**: 301° (west northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → São Tomé and Príncipe
- **Intercontinental**: North America → Africa
- **Time difference**: +5h (When it's 19:44 in Houston, it's 00:44 in Sao Tome)
- **Elevation difference**: 63 ft (TMS 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

### [Sao Tome International Airport (TMS)](https://www.flightduration.online/airport/tms-sao-tome-sao-tome-international-airport/1ef266de-dd85-69c4-ae5d-06bb2780ed98)

- City: Sao Tome, São Tomé and Príncipe
- ICAO: FPST
- Timezone: Africa/Sao_Tome
- Coordinates: 0.380000, 6.710000
- Elevation: 33 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 19:44 in Houston, it's 00:44 in Sao Tome.
The 5-hour time difference may cause some 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)
- [Sao Tome International Airport (TMS)](https://www.flightduration.online/airport/tms-sao-tome-sao-tome-international-airport/1ef266de-dd85-69c4-ae5d-06bb2780ed98)
- [Flight duration calculator](/#calculator)