# Distance from Sofia (SOF) to Udon Thani (UTH)

> 7,852 km · estimated flight time 10h · Long-haul route.

## Summary

- **Distance**: 7,852 km / 4,879 mi / 4,240 nm
- **Estimated flight time**: 10h
- **Heading**: 84° (east)
- **Return heading**: 310° (northwest)
- **Classification**: Long-haul
- **Type**: International (Bulgaria) → Thailand
- **Intercontinental**: Europe → Asia
- **Time difference**: +4h (When it's 14:11 in Sofia, it's 18:11 in Udon Thani)
- **Elevation difference**: 1,163 ft (UTH is lower 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

### [Udon Thani Airport (UTH)](https://www.flightduration.online/airport/uth-udon-thani-udon-thani-airport/1ef266df-f5bc-63ac-928e-06bb2780ed98)

- City: Udon Thani, Thailand
- ICAO: VTUD
- Timezone: Asia/Bangkok
- Coordinates: 17.390000, 102.790000
- Elevation: 579 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 14:11 in Sofia, it's 18:11 in Udon Thani.
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)
- [Udon Thani Airport (UTH)](https://www.flightduration.online/airport/uth-udon-thani-udon-thani-airport/1ef266df-f5bc-63ac-928e-06bb2780ed98)
- [Flight duration calculator](/#calculator)