Chennai is a very long distance from Kokrajhar. The most efficient way to travel is by flight from Guwahati or by a long-distance train from Kokrajhar. The train journey takes about 45-50 hours, while a flight takes about 3 hours.
Total Distance: 2400 km by road, 1900 km straight-line.
Book your tickets well in advance as this is a very long journey.
November to February for pleasant weather.