The journey from Rajapalayam to Itanagar is 3200 km. The most practical way is to fly from Madurai to Lilabari via Kolkata, then take a taxi to Itanagar. Train travel is possible up to Naharlagun. Expect a total travel time of 16+ hours by flight.
Total Distance: 3200 km by road, 2800 km air distance.
The taxi from Lilabari to Itanagar takes about 2 hours.
October to March.