# Distance from Kefallinia Island (EFL) to Houston (IAH)

> 9,935 km · estimated flight time 13h · Ultra-long-haul route.

## Summary

- **Distance**: 9,935 km / 6,173 mi / 5,364 nm
- **Estimated flight time**: 13h
- **Heading**: 309° (northwest)
- **Return heading**: 45° (northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (Greece) → United States
- **Intercontinental**: Europe → North America
- **Time difference**: -8h (When it's 06:41 in Kefallinia Island, it's 22:41 in Houston)
- **Elevation difference**: 37 ft (IAH is higher than EFL)

## Airports

### [Kefallinia Airport (EFL)](https://www.flightduration.online/airport/efl-kefallinia-island-kefallinia-airport/1ef266df-4e07-6cd8-8e5f-06bb2780ed98)

- City: Kefallinia Island, Greece
- ICAO: LGKF
- Timezone: Europe/Athens
- Coordinates: 38.120000, 20.500000
- Elevation: 59 ft

### [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

## 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 06:41 in Kefallinia Island, it's 22:41 in Houston.
With a 8-hour time difference, expect significant jet lag.

## Related

- [Kefallinia Airport (EFL)](https://www.flightduration.online/airport/efl-kefallinia-island-kefallinia-airport/1ef266df-4e07-6cd8-8e5f-06bb2780ed98)
- [George Bush Intcntl/Houston Airport (IAH)](https://www.flightduration.online/airport/iah-houston-george-bush-intcntlhouston-airport/1ef266df-22d4-6822-bae6-06bb2780ed98)
- [Flight duration calculator](/#calculator)