The journey from Viluppuram to Patna is a long-distance transit covering over 2100 km. The most practical way is to take a train to Chennai and then board a long-distance express train to Patna Junction. This route crosses several states, including Andhra Pradesh, Odisha, and West Bengal. Expect a travel time of 40 to 48 hours by train. Patna, the capital of Bihar, is one of the oldest continuously inhabited places in the world.
Total Distance: 2100 km by road, 1850 km air distance.
Prepare for a very long journey; carry sufficient books or entertainment.
October to March, when the weather is cool and suitable for exploring historical sites.