The journey from Changanassery to Dehradun takes you from the southern coast to the foothills of the Himalayas. Rail travel involves long-distance trains from Ernakulam to Dehradun. Flying from Cochin International Airport to Jolly Grant Airport is the most practical option. You will experience a transition from the tropical south to the cool mountain climate of Uttarakhand.
Total Distance: Driving distance 3000 km, straight-line air distance 2400 km.
This is a long journey; ensure you have enough supplies.
Flights usually connect through Delhi.
March to June and September to November, when the weather is pleasant.