The journey from Manali to Kolkata covers about 1900 km. The most practical way is to take a bus to Delhi and then a train or flight to Kolkata. Expect a total travel time of 45 to 50 hours by train.
Total Distance: 1900 km by road, 1600 km air distance.
Take the Rajdhani Express from Delhi for a fast and comfortable journey to Kolkata.
October to March for pleasant weather.