Back to CalculatorRoute ID: CCU-SOF
Flight Distance from Kolkata (CCU) to Sofia (SOF)
Comprehensive aviation route data, direct distance, flight duration, CO₂ footprint, passport visa rules and interactive map.
Origin Airport
CCUVECC
Kolkata, India
Netaji Subhash Chandra Bose International Airport
Great Circle Path
6,316 km3,925 miles • 3,410 NM
Destination Airport
LBSFSOF
Sofia, Bulgaria
Sofia Airport
Direct Distance
6,316 km
3,925 Statute Miles
3,410 Nautical Miles
Commercial Flight
7h 56m
Est. non-stop flight duration (~850 km/h cruising speed + buffer)
CO₂ Footprint
568 kg
Estimated carbon footprint per economy passenger (~90g CO₂/km)
Initial Heading
307° True
Initial compass bearing towards destination
Estimated Travel Duration by Aircraft Class
Commercial Jet (Boeing 787 / A350)
7h 56m
Speed: ~850 km/h (459 knots)
Business Jet (Gulfstream G650)
7h 22m
Speed: ~920 km/h (496 knots)
Turboprop Aircraft (ATR-72 / Q400)
12h 39m
Speed: ~520 km/h (280 knots)
Passport & Visa Entry Requirements
🌐 IN→🌐 BG
This information is provided for general guidance only and does not replace official verification with an embassy, consulate, or the IATA Travel Centre before you travel.
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Flight Path & Geodetic Arc Map
Great Circle Flight Arc Path
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Departure Airport Specs
Netaji Subhash Chandra Bose International Airport (CCU)
- City / Country: Kolkata, India
- ICAO Code: VECC
- Coordinates: 22.6540°, 88.4476°
- Timezone: Asia/Kolkata
- Elevation: 16 ft
Arrival Airport Specs
Sofia Airport (SOF)
- City / Country: Sofia, Bulgaria
- ICAO Code: LBSF
- Coordinates: 42.6964°, 23.4177°
- Timezone: Europe/Sofia
- Elevation: 1742 ft
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