# Distance from Attopeu (AOU) to Sofia (SOF)

> 8,366 km · estimated flight time 11h · Long-haul route.

## Summary

- **Distance**: 8,366 km / 5,198 mi / 4,517 nm
- **Estimated flight time**: 11h
- **Heading**: 311° (northwest)
- **Return heading**: 83° (east)
- **Classification**: Long-haul
- **Type**: International (Laos) → Bulgaria
- **Intercontinental**: Asia → Europe
- **Time difference**: -4h (When it's 05:07 in Attopeu, it's 01:07 in Sofia)
- **Elevation difference**: 1,398 ft (SOF is higher than AOU)

## Airports

### [Attopeu Airport (AOU)](https://www.flightduration.online/airport/aou-attopeu-attopeu-airport/1ef266df-f273-65c4-a0a9-06bb2780ed98)

- City: Attopeu, Laos
- ICAO: VLAP
- Timezone: Asia/Vientiane
- Coordinates: 14.810000, 106.820000
- Elevation: 344 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 05:07 in Attopeu, it's 01:07 in Sofia.
The 4-hour time difference may cause some jet lag.

## Related

- [Attopeu Airport (AOU)](https://www.flightduration.online/airport/aou-attopeu-attopeu-airport/1ef266df-f273-65c4-a0a9-06bb2780ed98)
- [Sofia Airport (SOF)](https://www.flightduration.online/airport/sof-sofia-sofia-airport/1ef266df-436b-611c-bff1-06bb2780ed98)
- [Flight duration calculator](/#calculator)