# Distance from Chignik Lagoon (KCL) to Sofia (SOF)

> 9,004 km · estimated flight time 12h · Ultra-long-haul route.

## Summary

- **Distance**: 9,004 km / 5,595 mi / 4,862 nm
- **Estimated flight time**: 12h
- **Heading**: 359° (north)
- **Return heading**: 1° (north)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Bulgaria
- **Intercontinental**: North America → Europe
- **Time difference**: +11h (When it's 01:50 in Chignik Lagoon, it's 12:50 in Sofia)
- **Elevation difference**: 1,714 ft (SOF is higher than KCL)

## Airports

### [Chignik Lagoon Airport (KCL)](https://flightduration.online/airport/kcl-chignik-lagoon-chignik-lagoon-airport/1ef266df-25e7-63d4-bd6b-06bb2780ed98)

- City: Chignik Lagoon, United States
- ICAO: KKCL
- Timezone: America/Anchorage
- Coordinates: 56.310000, -158.530000
- Elevation: 28 ft

### [Sofia Airport (SOF)](https://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 an ultra-long-haul route, one of the longest in aviation. It requires wide-body aircraft with extended range capability such as the Airbus A350-900ULR or Boeing 777-200LR. Passengers should prepare for an extended flight with multiple meal services.

Time-zone information: When it's 01:50 in Chignik Lagoon, it's 12:50 in Sofia.
With a 11-hour time difference, expect significant jet lag.

## Related

- [Chignik Lagoon Airport (KCL)](https://flightduration.online/airport/kcl-chignik-lagoon-chignik-lagoon-airport/1ef266df-25e7-63d4-bd6b-06bb2780ed98)
- [Sofia Airport (SOF)](https://flightduration.online/airport/sof-sofia-sofia-airport/1ef266df-436b-611c-bff1-06bb2780ed98)
- [Flight duration calculator](/#calculator)