The journey from Chettuva to Dehradun covers about 2900 km. You can take a train from Thrissur to Dehradun, which is a long journey. Alternatively, fly from Kochi to Dehradun with a connection. This route takes you from the tropical south to the foothills of the Himalayas. Expect a travel time of around 50 hours by train.
Total Distance: 2950 km by road, 2500 km air distance.
The train journey is long; carry sufficient food.
March to June and September to November.