# Distance from Bucharest (OTP) to Ban Huoeisay Airport (OUI)

> 7,222 km · estimated flight time 9h · Long-haul route.

## Summary

- **Distance**: 7,222 km / 4,488 mi / 3,900 nm
- **Estimated flight time**: 9h
- **Heading**: 86° (east)
- **Return heading**: 311° (northwest)
- **Classification**: Long-haul
- **Type**: International (Romania) → Laos
- **Intercontinental**: Europe → Asia
- **Time difference**: +4h (When it's 00:31 in Bucharest, it's 04:31 in Ban Huoeisay Airport)
- **Elevation difference**: 1,066 ft (OUI is higher than OTP)

## Airports

### [Henri Coanda International Airport (OTP)](https://www.flightduration.online/airport/otp-bucharest-henri-coanda-international-airport/1ef266df-5682-65f2-900a-06bb2780ed98)

- City: Bucharest, Romania
- ICAO: LROP
- Timezone: Europe/Bucharest
- Coordinates: 44.570000, 26.100000
- Elevation: 314 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 a long-haul route typically operated by wide-body aircraft such as the Boeing 777 or Airbus A350. Full meal service, in-flight entertainment, and comfort amenities are standard.

Time-zone information: When it's 00:31 in Bucharest, it's 04:31 in Ban Huoeisay Airport.
The 4-hour time difference may cause some jet lag.

## Related

- [Henri Coanda International Airport (OTP)](https://www.flightduration.online/airport/otp-bucharest-henri-coanda-international-airport/1ef266df-5682-65f2-900a-06bb2780ed98)
- [Ban Huoeisay Airport (OUI)](https://www.flightduration.online/airport/oui-ban-huoeisay-airport/1ef266df-f277-6980-89e5-06bb2780ed98)
- [Flight duration calculator](/#calculator)