The journey from Dhemaji to Patna covers approximately 1000 km. The most practical way is to travel to Dibrugarh and take a flight, or take a long-distance train which takes about 20 to 25 hours. You will traverse the northern plains of India. Patna is the capital of Bihar and a major historical city.
Total Distance: 1000 km by road, 800 km straight-line.
Book your tickets well in advance for this long-distance route.
October to March for pleasant weather.