The route from Kattappana to Kurnool involves moving from the high-altitude Idukki district to the arid plains of Rayalaseema. You will need to travel by road to a major railhead like Ernakulam or Thrissur. From there, you can catch a train towards Kurnool City. The total distance is roughly 850 km, and the journey takes about 20 hours.
Total Distance: 850 km by road, 680 km straight-line.
Check for trains passing through Guntakal junction.
November to February to avoid the intense summer heat of Kurnool.