The journey from Theni to Kolkata is a massive cross-country trip of over 2,000 kilometers. You must travel to Madurai and then take a long-distance train to Howrah or Sealdah. Alternatively, flying from Madurai to Kolkata is the most efficient method. This route takes you across the eastern coast of India.
Total Distance: 2100 km by road, 1750 km straight-line.
Book your train tickets well in advance.
Book connecting flights with a single airline.
October to March for pleasant weather in Kolkata.