Distance From Imam Khomeini International Airport to Netaji Subhash Chandra Bose International Airport, IKA - CCU Distance

The distance from Imam Khomeini International Airport (IKA) to Netaji Subhash Chandra Bose International Airport (CCU) is 2402 miles or 3866 kilometers or 2086 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 Tehran ( Iran ) to Kolkata ( India )?

A one-way nonstop (direct) flight between Tehran and Kolkata takes around 5 hours 31 minutes.

Estimated flight time from Imam Khomeini International Airport, Tehran, Iran to Netaji Subhash Chandra Bose International Airport, Kolkata, India is 5 hours 31 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 • IKA - CCU

Kilometers		3866 km
Statute Miles		2402 miles
Nautical Miles		2086 nm
Avg. Time of Flight		5 hours 31 minutes

Imam Khomeini International Airport to Netaji Subhash Chandra Bose International Airport Flight Route Map - IKA to CCU Flight Path

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

Click to see flight route on Google Map between Tehran, Iran and Kolkata, India. .

Nonstop flight route between Tehran, Iran and Kolkata, India.

Time Difference Between the Airports • IKA - CCU

Time difference between Tehran (Iran) and Kolkata (India) is 2 Hours.
Kolkata time is 2 Hours ahead of Tehran.

Location	Local Time
Tehran (Iran)	2025-12-14, 11:49:03 +0330
Kolkata (India)	2025-12-14, 13:49:03 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

Imam Khomeini International Airport (IKA / OIIE) Tehran, Iran

Destination

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