The journey from Itanagar to Muzaffarpur is a long-distance transit. The most efficient way is to take a train from Naharlagun to Guwahati and then a long-distance train to Muzaffarpur. This route connects the North-East to the litchi city of Bihar.
Total Distance: 950 km by road, 700 km air distance.
Book your train tickets well in advance.
October to March for pleasant weather.