# Distance from Chokurdah (CKH) to Sofia (SOF)

> 6,660 km · estimated flight time 9h · Long-haul route.

## Summary

- **Distance**: 6,660 km / 4,138 mi / 3,596 nm
- **Estimated flight time**: 9h
- **Heading**: 316° (northwest)
- **Return heading**: 18° (north northeast)
- **Classification**: Long-haul
- **Type**: International (Russia) → Bulgaria
- **Time difference**: -8h (When it's 15:37 in Chokurdah, it's 07:37 in Sofia)
- **Elevation difference**: 1,591 ft (SOF is higher than CKH)

## Airports

### [Chokurdakh Airport (CKH)](https://www.flightduration.online/airport/ckh-chokurdah-chokurdakh-airport/1ef266df-e51e-67a2-8304-06bb2780ed98)

- City: Chokurdah, Russia
- ICAO: UESO
- Timezone: Asia/Srednekolymsk
- Coordinates: 70.620000, 147.900000
- Elevation: 151 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 15:37 in Chokurdah, it's 07:37 in Sofia.
With a 8-hour time difference, expect significant jet lag.

## Related

- [Chokurdakh Airport (CKH)](https://www.flightduration.online/airport/ckh-chokurdah-chokurdakh-airport/1ef266df-e51e-67a2-8304-06bb2780ed98)
- [Sofia Airport (SOF)](https://www.flightduration.online/airport/sof-sofia-sofia-airport/1ef266df-436b-611c-bff1-06bb2780ed98)
- [Flight duration calculator](/#calculator)