The journey from Perinthalmanna to Gangtok covers approximately 2700 kilometers. You will need to reach Shoranur Junction to catch a train to New Jalpaiguri, followed by a taxi to Gangtok. Alternatively, you can fly from Calicut to Bagdogra and then take a taxi to Gangtok. Gangtok is a beautiful hill station and is well-connected by road from Bagdogra.
Total Distance: 2700 km by road, 2200 km air distance.
Ensure you book a berth in advance as this route is very busy.
Book early to get better rates on connecting flights.
October to March for pleasant weather.