The journey from Triveniganj to Thiruvananthapuram covers about 2800 km. You will need to reach Barauni or Patna to board a train to Thiruvananthapuram Central. The journey takes approximately 55 to 65 hours. Thiruvananthapuram is the capital of Kerala.
Total Distance: 2800 km driving distance, 2400 km straight-line air distance.
This is one of the longest train journeys in India.
October to March for pleasant weather.