# Distance from Sofia (SOF) to Xieng Khouang (XKH)

> 7,735 km · estimated flight time 10h · Long-haul route.

## Summary

- **Distance**: 7,735 km / 4,807 mi / 4,177 nm
- **Estimated flight time**: 10h
- **Heading**: 82° (east)
- **Return heading**: 309° (northwest)
- **Classification**: Long-haul
- **Type**: International (Bulgaria) → Laos
- **Intercontinental**: Europe → Asia
- **Time difference**: +4h (When it's 00:19 in Sofia, it's 04:19 in Xieng Khouang)
- **Elevation difference**: 1,703 ft (XKH is higher than SOF)

## Airports

### [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

### [Xieng Khouang Airport (XKH)](https://www.flightduration.online/airport/xkh-xieng-khouang-xieng-khouang-airport/1ef266df-f2a7-63ba-b030-06bb2780ed98)

- City: Xieng Khouang, Laos
- ICAO: VLXK
- Timezone: Asia/Vientiane
- Coordinates: 19.450000, 103.160000
- Elevation: 3,445 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 00:19 in Sofia, it's 04:19 in Xieng Khouang.
The 4-hour time difference may cause some jet lag.

## Related

- [Sofia Airport (SOF)](https://www.flightduration.online/airport/sof-sofia-sofia-airport/1ef266df-436b-611c-bff1-06bb2780ed98)
- [Xieng Khouang Airport (XKH)](https://www.flightduration.online/airport/xkh-xieng-khouang-xieng-khouang-airport/1ef266df-f2a7-63ba-b030-06bb2780ed98)
- [Flight duration calculator](/#calculator)