The journey from Palakkad to Patna covers over 2,300 km. The most efficient way is to fly from Coimbatore to Patna. Alternatively, you can take a long-distance train, which takes about 45 to 50 hours. Patna is one of the oldest continuously inhabited places in the world.
Total Distance: 2,300 km by road, 2,000 km air distance.
Long journey; carry sufficient food and water.
October to March for pleasant weather.