# Distance from Houston (IAH) to Kalutara (KTY)

> 15,923 km · estimated flight time 20h · Ultra-long-haul route.

## Summary

- **Distance**: 15,923 km / 9,894 mi / 8,597 nm
- **Estimated flight time**: 20h
- **Heading**: 8° (north)
- **Return heading**: 353° (north)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Sri Lanka
- **Intercontinental**: North America → Asia
- **Time difference**: +10.5h (When it's 02:45 in Houston, it's 13:15 in Kalutara)
- **Elevation difference**: 86 ft (KTY 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

### [Katukurunda Airport (KTY)](https://www.flightduration.online/airport/kty-kalutara-katukurunda-airport/1ef266df-ef7b-6c18-8f75-06bb2780ed98)

- City: Kalutara, Sri Lanka
- ICAO: VCCN
- Timezone: Asia/Colombo
- Coordinates: 6.550000, 79.980000
- 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 02:45 in Houston, it's 13:15 in Kalutara.
With a 10.5-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)
- [Katukurunda Airport (KTY)](https://www.flightduration.online/airport/kty-kalutara-katukurunda-airport/1ef266df-ef7b-6c18-8f75-06bb2780ed98)
- [Flight duration calculator](/#calculator)