# Distance from Kolkata (CCU) to Sofia (SOF)

> 6,317 km · estimated flight time 8h · Long-haul route.

## Summary

- **Distance**: 6,317 km / 3,925 mi / 3,411 nm
- **Estimated flight time**: 8h
- **Heading**: 307° (northwest)
- **Return heading**: 89° (east)
- **Classification**: Long-haul
- **Type**: International (India) → Bulgaria
- **Intercontinental**: Asia → Europe
- **Time difference**: -2.5h (When it's 11:05 in Kolkata, it's 08:35 in Sofia)
- **Elevation difference**: 1,726 ft (SOF is higher than CCU)

## Airports

### [Netaji Subhash Chandra Bose International Airport (CCU)](https://www.flightduration.online/airport/ccu-kolkata-netaji-subhash-chandra-bose-international-airport/1ef266df-f023-6fe4-a8d5-06bb2780ed98)

- City: Kolkata, India
- ICAO: VECC
- Timezone: Asia/Kolkata
- Coordinates: 22.650000, 88.450000
- Elevation: 16 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 11:05 in Kolkata, it's 08:35 in Sofia.

## Related

- [Netaji Subhash Chandra Bose International Airport (CCU)](https://www.flightduration.online/airport/ccu-kolkata-netaji-subhash-chandra-bose-international-airport/1ef266df-f023-6fe4-a8d5-06bb2780ed98)
- [Sofia Airport (SOF)](https://www.flightduration.online/airport/sof-sofia-sofia-airport/1ef266df-436b-611c-bff1-06bb2780ed98)
- [Flight duration calculator](/#calculator)