The journey from Theni to Varanasi is a 2100 km trip. You must reach Madurai for air or rail connections. The route takes you from the south to the spiritual heart of India in Uttar Pradesh. Expect a travel time of 35+ hours by train or 7-9 hours by flight with connections. Varanasi is famous for its ghats and temples.
Total Distance: 2100 km by road, 1700 km air distance.
This is a very long train journey; book a 2AC berth for comfort.
Connecting flights via Delhi are the most common.
October to March for pleasant weather.