The journey from Bijni to Thiruvananthapuram is one of the longest in India, covering approximately 3200 km. You will start by traveling to New Bongaigaon Junction. From there, you can board long-distance trains that traverse the entire length of India. The route passes through West Bengal, Odisha, Andhra Pradesh, and Tamil Nadu before reaching Kerala. Expect a travel time of 65 to 75 hours by train.
Total Distance: 3200 km by road, 2700 km air distance.
This is a very long journey; consider breaking it up with a stop in Chennai.
October to March for the pleasant weather.