# Distance from Sofia (SOF) to Son-La (SQH)

> 7,681 km · estimated flight time 10h · Long-haul route.

## Summary

- **Distance**: 7,681 km / 4,773 mi / 4,147 nm
- **Estimated flight time**: 10h
- **Heading**: 80° (east)
- **Return heading**: 309° (northwest)
- **Classification**: Long-haul
- **Type**: International (Bulgaria) → Vietnam
- **Intercontinental**: Europe → Asia
- **Time difference**: +4h (When it's 05:52 in Sofia, it's 09:52 in Son-La)
- **Elevation difference**: 391 ft (SQH 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

### [Na-San Airport (SQH)](https://www.flightduration.online/airport/sqh-son-la-na-san-airport/1ef266df-f636-61fc-919d-06bb2780ed98)

- City: Son-La, Vietnam
- ICAO: VVNS
- Timezone: Asia/Ho_Chi_Minh
- Coordinates: 21.220000, 104.030000
- Elevation: 2,133 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 05:52 in Sofia, it's 09:52 in Son-La.
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)
- [Na-San Airport (SQH)](https://www.flightduration.online/airport/sqh-son-la-na-san-airport/1ef266df-f636-61fc-919d-06bb2780ed98)
- [Flight duration calculator](/#calculator)