# Distance from Houston (IAH) to St Denis (RUN)

> 16,929 km · estimated flight time 21h · Ultra-long-haul route.

## Summary

- **Distance**: 16,929 km / 10,519 mi / 9,141 nm
- **Estimated flight time**: 21h
- **Heading**: 78° (east northeast)
- **Return heading**: 295° (west northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → RE
- **Intercontinental**: North America → Africa
- **Time difference**: +9h (When it's 17:41 in Houston, it's 02:41 in St Denis)
- **Elevation difference**: 30 ft (RUN 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

### [Roland Garros Airport (RUN)](https://www.flightduration.online/airport/run-st-denis-roland-garros-airport/1ef266de-db66-6936-b735-06bb2780ed98)

- City: St Denis, RE
- ICAO: FMEE
- Timezone: Indian/Reunion
- Coordinates: -20.890000, 55.510000
- Elevation: 66 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 17:41 in Houston, it's 02:41 in St Denis.
With a 9-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)
- [Roland Garros Airport (RUN)](https://www.flightduration.online/airport/run-st-denis-roland-garros-airport/1ef266de-db66-6936-b735-06bb2780ed98)
- [Flight duration calculator](/#calculator)