# Distance from Sofia (SOF) to Ulan Bator (ULN)

> 6,223 km · estimated flight time 8h · Long-haul route.

## Summary

- **Distance**: 6,223 km / 3,867 mi / 3,360 nm
- **Estimated flight time**: 8h
- **Heading**: 54° (northeast)
- **Return heading**: 298° (west northwest)
- **Classification**: Long-haul
- **Type**: International (Bulgaria) → Mongolia
- **Intercontinental**: Europe → Asia
- **Time difference**: +5h (When it's 05:53 in Sofia, it's 10:53 in Ulan Bator)
- **Elevation difference**: 2,622 ft (ULN 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

### [Buyant-Ukhaa International Airport (ULN)](https://www.flightduration.online/airport/uln-ulan-bator-buyant-ukhaa-international-airport/1ef266e0-1f91-688a-a773-06bb2780ed98)

- City: Ulan Bator, Mongolia
- ICAO: ZMUB
- Timezone: Asia/Ulaanbaatar
- Coordinates: 47.840000, 106.770000
- Elevation: 4,364 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 05:53 in Sofia, it's 10:53 in Ulan Bator.
The 5-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)
- [Buyant-Ukhaa International Airport (ULN)](https://www.flightduration.online/airport/uln-ulan-bator-buyant-ukhaa-international-airport/1ef266e0-1f91-688a-a773-06bb2780ed98)
- [Flight duration calculator](/#calculator)