# Distance from Chefornak (CYF) to Sofia (SOF)

> 8,558 km · estimated flight time 11h · Long-haul route.

## Summary

- **Distance**: 8,558 km / 5,318 mi / 4,621 nm
- **Estimated flight time**: 11h
- **Heading**: 354° (north)
- **Return heading**: 4° (north)
- **Classification**: Long-haul
- **Type**: International (United States) → Bulgaria
- **Intercontinental**: North America → Europe
- **Time difference**: +11h (When it's 23:16 in Chefornak, it's 10:16 in Sofia)
- **Elevation difference**: 1,688 ft (SOF is higher than CYF)

## Airports

### [Chefornak Airport (CYF)](https://www.flightduration.online/airport/cyf-chefornak-chefornak-airport/1ef266df-860d-6434-8cc0-06bb2780ed98)

- City: Chefornak, United States
- ICAO: PACK
- Timezone: America/Anchorage
- Coordinates: 60.140000, -164.280000
- Elevation: 54 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 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 23:16 in Chefornak, it's 10:16 in Sofia.
With a 11-hour time difference, expect significant jet lag.

## Related

- [Chefornak Airport (CYF)](https://www.flightduration.online/airport/cyf-chefornak-chefornak-airport/1ef266df-860d-6434-8cc0-06bb2780ed98)
- [Sofia Airport (SOF)](https://www.flightduration.online/airport/sof-sofia-sofia-airport/1ef266df-436b-611c-bff1-06bb2780ed98)
- [Flight duration calculator](/#calculator)