# Distance from Kotlas (KSZ) to Sofia (SOF)

> 2,577 km · estimated flight time 4h · Medium-haul route.

## Summary

- **Distance**: 2,577 km / 1,601 mi / 1,392 nm
- **Estimated flight time**: 4h
- **Heading**: 228° (southwest)
- **Return heading**: 29° (north northeast)
- **Classification**: Medium-haul
- **Type**: International (Russia) → Bulgaria
- **Time difference**: +0h (When it's 06:22 in Kotlas, it's 06:22 in Sofia)
- **Elevation difference**: 1,558 ft (SOF is higher than KSZ)

## Airports

### [Kotlas Airport (KSZ)](https://www.flightduration.online/airport/ksz-kotlas-kotlas-airport/1ef266df-e7bf-60ce-a6ca-06bb2780ed98)

- City: Kotlas, Russia
- ICAO: ULKK
- Timezone: Europe/Moscow
- Coordinates: 61.240000, 46.700000
- Elevation: 184 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 medium-haul route that may be operated by either narrow-body or wide-body aircraft depending on demand. Passengers can expect a meal service on most carriers.

## Related

- [Kotlas Airport (KSZ)](https://www.flightduration.online/airport/ksz-kotlas-kotlas-airport/1ef266df-e7bf-60ce-a6ca-06bb2780ed98)
- [Sofia Airport (SOF)](https://www.flightduration.online/airport/sof-sofia-sofia-airport/1ef266df-436b-611c-bff1-06bb2780ed98)
- [Flight duration calculator](/#calculator)