The journey from Kalyan to Kolkata covers about 1900 km. You can take a train from Kalyan Junction, which takes about 26-30 hours, or fly from Mumbai Airport. The train route is very popular and offers many options. Flying is the fastest way to reach Kolkata, taking about 2.5 hours of flight time.
Total Distance: 1900 km by road, 1650 km air distance.
Gitanjali Express is a popular train on this route.
Book your flight in advance for better prices.
October to March for pleasant weather.