The distance from Merta to Kolkata is 1800 km. The most practical way is to take a train from Merta Road to Jaipur and then a long-distance train to Howrah or Sealdah. Driving is a multi-day journey via NH 19. Kolkata is the cultural capital of India, known for its colonial architecture and literature.
Total Distance: 1800 km driving distance, 1550 km air distance.
Book tickets well in advance for the Jaipur-Kolkata route.
October to March for pleasant weather.