The journey from Digboi to Dehradun is a long-distance trip across the country. The most practical way is to take a flight from Dibrugarh Airport to Dehradun. A train journey is possible but would take several days and multiple transfers. Flights are highly recommended for this distance.
Total Distance: Driving distance is 1800 km; straight-line air distance is 1400 km.
Most flights have a layover in Delhi.
October to March for pleasant weather.