The journey from Dirang to Thiruvananthapuram covers 3500 km. You must first reach Guwahati. From Guwahati, you can take a train to Thiruvananthapuram or fly. This route connects the Northeast to the southern tip of India.
Total Distance: 3500 km by road, 2800 km air distance.
This is a very long journey, so carry enough food and water.
October to March for pleasant weather.