# Distance from Houston (IAH) to Nkayi (NKY)

> 12,033 km · estimated flight time 15h · Ultra-long-haul route.

## Summary

- **Distance**: 12,033 km / 7,477 mi / 6,497 nm
- **Estimated flight time**: 15h
- **Heading**: 84° (east)
- **Return heading**: 300° (west northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Congo
- **Intercontinental**: North America → Africa
- **Time difference**: +6h (When it's 14:24 in Houston, it's 20:24 in Nkayi)
- **Elevation difference**: 445 ft (NKY is higher 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

### [Yokangassi Airport (NKY)](https://www.flightduration.online/airport/nky-nkayi-yokangassi-airport/1ef266de-d643-6620-8f12-06bb2780ed98)

- City: Nkayi, Congo
- ICAO: FCBY
- Timezone: Africa/Brazzaville
- Coordinates: -4.220000, 13.280000
- Elevation: 541 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 14:24 in Houston, it's 20:24 in Nkayi.
With a 6-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)
- [Yokangassi Airport (NKY)](https://www.flightduration.online/airport/nky-nkayi-yokangassi-airport/1ef266de-d643-6620-8f12-06bb2780ed98)
- [Flight duration calculator](/#calculator)