# Distance from Las Vegas (LAS) to Ban Huoeisay Airport (OUI)

> 12,717 km · estimated flight time 16h · Ultra-long-haul route.

## Summary

- **Distance**: 12,717 km / 7,902 mi / 6,867 nm
- **Estimated flight time**: 16h
- **Heading**: 323° (northwest)
- **Return heading**: 31° (north northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Laos
- **Intercontinental**: North America → Asia
- **Time difference**: +14h (When it's 21:04 in Las Vegas, it's 11:04 in Ban Huoeisay Airport)
- **Elevation difference**: 801 ft (OUI is lower than LAS)

## Airports

### [Harry Reid International Airport (LAS)](https://www.flightduration.online/airport/las-las-vegas-harry-reid-international-airport/1ef266df-26e1-6280-853b-06bb2780ed98)

- City: Las Vegas, United States
- ICAO: KLAS
- Timezone: America/Los_Angeles
- Coordinates: 36.080000, -115.150000
- Elevation: 2,181 ft

### [Ban Huoeisay Airport (OUI)](https://www.flightduration.online/airport/oui-ban-huoeisay-airport/1ef266df-f277-6980-89e5-06bb2780ed98)

- City: Ban Huoeisay Airport, Laos
- ICAO: VLHS
- Timezone: Asia/Vientiane
- Coordinates: 20.260000, 100.440000
- Elevation: 1,380 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 21:04 in Las Vegas, it's 11:04 in Ban Huoeisay Airport.
With a 14-hour time difference, expect significant jet lag.

## Related

- [Harry Reid International Airport (LAS)](https://www.flightduration.online/airport/las-las-vegas-harry-reid-international-airport/1ef266df-26e1-6280-853b-06bb2780ed98)
- [Ban Huoeisay Airport (OUI)](https://www.flightduration.online/airport/oui-ban-huoeisay-airport/1ef266df-f277-6980-89e5-06bb2780ed98)
- [Flight duration calculator](/#calculator)