The journey from Kodaikanal to Gangtok covers approximately 2500 km. The most practical way is to fly from Madurai to Bagdogra and then take a taxi to Gangtok. Train travel is possible but very long, taking over 60 hours. Expect a total travel time of 10 to 12 hours by flight.
Total Distance: 2500 km by road, 2000 km air distance.
Book your flight and taxi well in advance.
March to June and September to December.