# Distance from Ban Huoeisay Airport (OUI) to Sofia (SOF)

> 7,458 km · estimated flight time 10h · Long-haul route.

## Summary

- **Distance**: 7,458 km / 4,634 mi / 4,027 nm
- **Estimated flight time**: 10h
- **Heading**: 309° (northwest)
- **Return heading**: 83° (east)
- **Classification**: Long-haul
- **Type**: International (Laos) → Bulgaria
- **Intercontinental**: Asia → Europe
- **Time difference**: -4h (When it's 03:43 in Ban Huoeisay Airport, it's 23:43 in Sofia)
- **Elevation difference**: 362 ft (SOF is higher than OUI)

## Airports

### [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

### [Sofia Airport (SOF)](https://www.flightduration.online/airport/sof-sofia-sofia-airport/1ef266df-436b-611c-bff1-06bb2780ed98)

- City: Sofia, Bulgaria
- ICAO: LBSF
- Timezone: Europe/Sofia
- Coordinates: 42.700000, 23.410000
- Elevation: 1,742 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 03:43 in Ban Huoeisay Airport, it's 23:43 in Sofia.
The 4-hour time difference may cause some jet lag.

## Related

- [Ban Huoeisay Airport (OUI)](https://www.flightduration.online/airport/oui-ban-huoeisay-airport/1ef266df-f277-6980-89e5-06bb2780ed98)
- [Sofia Airport (SOF)](https://www.flightduration.online/airport/sof-sofia-sofia-airport/1ef266df-436b-611c-bff1-06bb2780ed98)
- [Flight duration calculator](/#calculator)