The journey from Kochi to Dehradun spans over 2900 km, connecting the southern coast to the capital of Uttarakhand. Flights are the most practical, taking about 6 hours with a layover. The train journey is a 55+ hour trip. Dehradun is famous for its schools, hills, and proximity to Mussoorie and Rishikesh.
Total Distance: 2900 km driving distance; 2400 km straight-line air distance.
This is a very long journey; prepare accordingly.
Most flights have a layover in Delhi.
October to March for pleasant weather.