To reach Dehradun from Dawki, travel to Guwahati and take a train or flight. The distance is about 1700 km. Dehradun is the capital of Uttarakhand. The train journey takes about 30 to 35 hours.
Total Distance: 1700 km by road, 1400 km air distance.
Book well in advance for long-distance trains.
October to March for pleasant weather.