The journey from Sonada to Itanagar covers approximately 700 km. You must first travel to New Jalpaiguri (NJP) station, then take a train to Naharlagun (near Itanagar), and finally a taxi to Itanagar. The total travel time is around 16 to 18 hours.
Total Distance: Driving distance is 700 km; straight-line air distance is 500 km.
Book your train tickets well in advance via IRCTC.
October to March for comfortable weather.