Kollam to Dehradun - Multiple Options To Reach By Train, Flight, Bus

Dehradun is approximately 2600+ kms from Kollam. The fastest way to reach Dehradun from Kollam is by Train, Flight Via Bangalore. It takes approximately 16 hours. The cheapest way to reach Dehradun from Kollam is by Train, Flight Via Hyderabad which would take approximately 26 hours.