# Distance from Houston (IAH) to Onotoa (OOT)

> 10,024 km · estimated flight time 13h · Ultra-long-haul route.

## Summary

- **Distance**: 10,024 km / 6,228 mi / 5,412 nm
- **Estimated flight time**: 13h
- **Heading**: 268° (west)
- **Return heading**: 60° (east northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Kiribati
- **Intercontinental**: North America → Oceania
- **Time difference**: +17h (When it's 09:51 in Houston, it's 02:51 in Onotoa)
- **Elevation difference**: 89 ft (OOT is lower than IAH)

## Airports

### [George Bush Intcntl/Houston Airport (IAH)](https://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

### [Onotoa Airport (OOT)](https://flightduration.online/airport/oot-onotoa-onotoa-airport/1ef266df-7098-66da-ab16-06bb2780ed98)

- City: Onotoa, Kiribati
- ICAO: NGON
- Timezone: Pacific/Tarawa
- Coordinates: -1.800000, 175.530000
- Elevation: 7 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 09:51 in Houston, it's 02:51 in Onotoa.
With a 17-hour time difference, expect significant jet lag.

## Related

- [George Bush Intcntl/Houston Airport (IAH)](https://flightduration.online/airport/iah-houston-george-bush-intcntlhouston-airport/1ef266df-22d4-6822-bae6-06bb2780ed98)
- [Onotoa Airport (OOT)](https://flightduration.online/airport/oot-onotoa-onotoa-airport/1ef266df-7098-66da-ab16-06bb2780ed98)
- [Flight duration calculator](/#calculator)