# Distance from Sofia (SOF) to Ust-Kuyga (UKG)

> 6,357 km · estimated flight time 8h · Long-haul route.

## Summary

- **Distance**: 6,357 km / 3,950 mi / 3,432 nm
- **Estimated flight time**: 8h
- **Heading**: 22° (north northeast)
- **Return heading**: 306° (northwest)
- **Classification**: Long-haul
- **Type**: International (Bulgaria) → Russia
- **Time difference**: +7h (When it's 10:55 in Sofia, it's 17:55 in Ust-Kuyga)
- **Elevation difference**: 1,742 ft (UKG 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

### [Ust-Kuyga Airport (UKG)](https://www.flightduration.online/airport/ukg-ust-kuyga-ust-kuyga-airport/1ef266df-e4b2-6ec6-87c6-06bb2780ed98)

- City: Ust-Kuyga, Russia
- ICAO: UEBT
- Timezone: Asia/Vladivostok
- Coordinates: 70.010000, 135.650000
- Elevation: 0 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 10:55 in Sofia, it's 17:55 in Ust-Kuyga.
With a 7-hour time difference, expect significant jet lag.

## Related

- [Sofia Airport (SOF)](https://www.flightduration.online/airport/sof-sofia-sofia-airport/1ef266df-436b-611c-bff1-06bb2780ed98)
- [Ust-Kuyga Airport (UKG)](https://www.flightduration.online/airport/ukg-ust-kuyga-ust-kuyga-airport/1ef266df-e4b2-6ec6-87c6-06bb2780ed98)
- [Flight duration calculator](/#calculator)