Distance From Šoštanj Airfield to Netaji Subhash Chandra Bose International Airport

The distance from Šoštanj Airfield () to Netaji Subhash Chandra Bose International Airport (CCU) is 4323 miles or 6957 kilometers or 3754 nautical miles.

The distance shown below is direct flight distance between airports. Straight-line distance does not account for the surface between the two points. It is the distance a bird or airplane would travel between the two points when flying above the surface. The straight line distance is the direct route between two points, regardless of whether or not there are roads that connect them.

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How long does it take to travel from Sostanj ( Slovenia ) to Kolkata ( India )?

A one-way nonstop (direct) flight between Sostanj and Kolkata takes around 9 hours 56 minutes.

Estimated flight time from Šoštanj Airfield, Sostanj, Slovenia to Netaji Subhash Chandra Bose International Airport, Kolkata, India is 9 hours 56 minutes under avarage conditions. Your actual flying time may vary depending on wind direction/speed or weather conditions. This calculation does not include the departure and landing times of the aircraft. In addition, it does not cover the person identity check, ticket check-in and baggage collection times at the airport.

Travel Distance Between the Airports • - CCU

Kilometers		6957 km
Statute Miles		4323 miles
Nautical Miles		3754 nm
Avg. Time of Flight		9 hours 56 minutes

Šoštanj Airfield to Netaji Subhash Chandra Bose International Airport Flight Route Map - to CCU Flight Path

Location of Šoštanj Airfield & Netaji Subhash Chandra Bose International Airport is given below.
Click the map to view Sostanj to Kolkata nonstop flight path and travel direction.

Click to see flight route on Google Map between Sostanj, Slovenia and Kolkata, India. .

Nonstop flight route between Sostanj, Slovenia and Kolkata, India.

Time Difference Between the Airports • - CCU

Time difference between Sostanj (Slovenia) and Kolkata (India) is 4 Hours 30 Minutes.
Kolkata time is 4 Hours 30 Minutes ahead of Sostanj.

Location	Local Time
Sostanj (Slovenia)	2026-03-17, 19:34:11 CET
Kolkata (India)	2026-03-18, 00:04:11 IST

Why should you arrive 3 hours before international flight? Flyers who are traveling to an international destination should arrive at the airport earlier than domestic flyers. This is because international flights can have additional check-in requirements, like passport verification, that need to be completed before you receive your boarding pass.

Origin

Šoštanj Airfield ( / LJSO) Sostanj, Slovenia

Destination

Netaji Subhash Chandra Bose International Airport (CCU / VECC) Kolkata, India