# Distance from Houston (IAH) to Savannakhet Airport (ZVK)

> 14,410 km · estimated flight time 18h · Ultra-long-haul route.

## Summary

- **Distance**: 14,410 km / 8,954 mi / 7,781 nm
- **Estimated flight time**: 18h
- **Heading**: 335° (north northwest)
- **Return heading**: 23° (north northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Laos
- **Intercontinental**: North America → Asia
- **Time difference**: +12h (When it's 15:32 in Houston, it's 03:32 in Savannakhet Airport)
- **Elevation difference**: 413 ft (ZVK 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

### [Savannakhet Airport (ZVK)](https://www.flightduration.online/airport/zvk-savannakhet-airport/1ef266df-f292-6ee2-ab54-06bb2780ed98)

- City: Savannakhet Airport, Laos
- ICAO: VLSK
- Timezone: Asia/Vientiane
- Coordinates: 16.560000, 104.760000
- Elevation: 509 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 15:32 in Houston, it's 03:32 in Savannakhet Airport.
With a 12-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)
- [Savannakhet Airport (ZVK)](https://www.flightduration.online/airport/zvk-savannakhet-airport/1ef266df-f292-6ee2-ab54-06bb2780ed98)
- [Flight duration calculator](/#calculator)