# Distance from Houston (IAH) to Mahe Island (SEZ)

> 15,860 km · estimated flight time 20h · Ultra-long-haul route.

## Summary

- **Distance**: 15,860 km / 9,855 mi / 8,564 nm
- **Estimated flight time**: 20h
- **Heading**: 53° (northeast)
- **Return heading**: 316° (northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Seychelles
- **Intercontinental**: North America → Africa
- **Time difference**: +9h (When it's 02:15 in Houston, it's 11:15 in Mahe Island)
- **Elevation difference**: 86 ft (SEZ 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

### [Seychelles International Airport (SEZ)](https://www.flightduration.online/airport/sez-mahe-island-seychelles-international-airport/1ef266de-de05-69ee-8340-06bb2780ed98)

- City: Mahe Island, Seychelles
- ICAO: FSIA
- Timezone: Indian/Mahe
- Coordinates: -4.670000, 55.520000
- Elevation: 10 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 02:15 in Houston, it's 11:15 in Mahe Island.
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)
- [Seychelles International Airport (SEZ)](https://www.flightduration.online/airport/sez-mahe-island-seychelles-international-airport/1ef266de-de05-69ee-8340-06bb2780ed98)
- [Flight duration calculator](/#calculator)