# Distance from Chalkyitsik (CIK) to Sofia (SOF)

> 7,807 km · estimated flight time 10h · Long-haul route.

## Summary

- **Distance**: 7,807 km / 4,851 mi / 4,215 nm
- **Estimated flight time**: 10h
- **Heading**: 10° (north)
- **Return heading**: 355° (north)
- **Classification**: Long-haul
- **Type**: International (United States) → Bulgaria
- **Intercontinental**: North America → Europe
- **Time difference**: +11h (When it's 21:49 in Chalkyitsik, it's 08:49 in Sofia)
- **Elevation difference**: 1,194 ft (SOF is higher than CIK)

## Airports

### [Chalkyitsik Airport (CIK)](https://www.flightduration.online/airport/cik-chalkyitsik-chalkyitsik-airport/1ef266df-85f3-6cb4-94e1-06bb2780ed98)

- City: Chalkyitsik, United States
- ICAO: PACI
- Timezone: America/Anchorage
- Coordinates: 66.650000, -143.740000
- Elevation: 549 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 21:49 in Chalkyitsik, it's 08:49 in Sofia.
With a 11-hour time difference, expect significant jet lag.

## Related

- [Chalkyitsik Airport (CIK)](https://www.flightduration.online/airport/cik-chalkyitsik-chalkyitsik-airport/1ef266df-85f3-6cb4-94e1-06bb2780ed98)
- [Sofia Airport (SOF)](https://www.flightduration.online/airport/sof-sofia-sofia-airport/1ef266df-436b-611c-bff1-06bb2780ed98)
- [Flight duration calculator](/#calculator)