The journey from Arwal to Purnia is a long-distance trip of 320 km across the northern plains of Bihar. You will pass through Patna, Begusarai, and Khagaria before reaching Purnia. This route is best covered by bus, though it requires a significant time commitment. Expect a travel time of 9 to 10 hours. Purnia is a major gateway to the northeastern part of Bihar and the Siliguri corridor.
Total Distance: Driving distance is 320 km, straight-line air distance is 270 km.
Direct buses are rare; plan for a transfer at Patna.
October to March for comfortable travel.