Guntakal is a major railway junction in Andhra Pradesh. To reach it from Devadi, you must travel via Srikakulam and Vijayawada. The total distance is roughly 850 km. Train is the most efficient mode of transport for this long-distance route.
Total Distance: 850 km by road, 680 km air distance.
Guntakal is a major hub, so many trains pass through here.
November to February for comfortable travel.