Distance From Bulgan Sum Airport to Netaji Subhash Chandra Bose International Airport, HBU - CCU Distance

The distance from Bulgan Sum Airport (HBU) to Netaji Subhash Chandra Bose International Airport (CCU) is 1630 miles or 2623 kilometers or 1415 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 Bulgan ( Mongolia ) to Kolkata ( India )?

A one-way nonstop (direct) flight between Bulgan and Kolkata takes around 3 hours 44 minutes.

Estimated flight time from Bulgan Sum Airport, Bulgan, Mongolia to Netaji Subhash Chandra Bose International Airport, Kolkata, India is 3 hours 44 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 • HBU - CCU

Kilometers		2623 km
Statute Miles		1630 miles
Nautical Miles		1415 nm
Avg. Time of Flight		3 hours 44 minutes

Bulgan Sum Airport to Netaji Subhash Chandra Bose International Airport Flight Route Map - HBU to CCU Flight Path

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

Click to see flight route on Google Map between Bulgan, Mongolia and Kolkata, India. .

Nonstop flight route between Bulgan, Mongolia and Kolkata, India.

Time Difference Between the Airports • HBU - CCU

Time difference between Bulgan (Mongolia) and Kolkata (India) is 1 Hours 30 Minutes.
Kolkata time is 1 Hours 30 Minutes behind Bulgan.

Location	Local Time
Bulgan (Mongolia)	2026-05-01, 15:44:32 +07
Kolkata (India)	2026-05-01, 14:14:32 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

Bulgan Sum Airport (HBU / ZMBS) Bulgan, Mongolia

Destination

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