Distance From Lewis University Airport to Netaji Subhash Chandra Bose International Airport, LOT - CCU Distance

The distance from Lewis University Airport (LOT) to Netaji Subhash Chandra Bose International Airport (CCU) is 7991 miles or 12860 kilometers or 6940 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 Chicago/Romeoville ( United States ) to Kolkata ( India )?

A one-way nonstop (direct) flight between Chicago/Romeoville and Kolkata takes around 18 hours 22 minutes.

Estimated flight time from Lewis University Airport, Chicago/Romeoville, United States to Netaji Subhash Chandra Bose International Airport, Kolkata, India is 18 hours 22 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 • LOT - CCU

Kilometers		12860 km
Statute Miles		7991 miles
Nautical Miles		6940 nm
Avg. Time of Flight		18 hours 22 minutes

Lewis University Airport to Netaji Subhash Chandra Bose International Airport Flight Route Map - LOT to CCU Flight Path

Location of Lewis University Airport & Netaji Subhash Chandra Bose International Airport is given below.
Click the map to view Chicago/Romeoville to Kolkata nonstop flight path and travel direction.

Click to see flight route on Google Map between Chicago/Romeoville, United States and Kolkata, India. .

Nonstop flight route between Chicago/Romeoville, United States and Kolkata, India.

Time Difference Between the Airports • LOT - CCU

Time difference between Chicago/Romeoville (United States) and Kolkata (India) is 11 Hours 30 Minutes.
Kolkata time is 11 Hours 30 Minutes ahead of Chicago/Romeoville.

Location	Local Time
Chicago/Romeoville (United States)	2026-01-29, 03:03:57 CST
Kolkata (India)	2026-01-29, 14:33:57 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

Lewis University Airport (LOT / KLOT) Chicago/Romeoville, United States

Destination

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