The journey from Karaikal to Dehradun is long, covering about 2500 km. The best way is to fly from Chennai to Delhi and then take a train or bus to Dehradun. The total journey takes about 20-24 hours. Dehradun is the capital of Uttarakhand.
Total Distance: Driving distance 2600 km, straight-line distance 2000 km.
Book flights and trains in advance.
March to June and September to November.