The journey from Salboni to Gangtok covers approximately 700 km. The most practical way is to reach Kharagpur, take a train to New Jalpaiguri (NJP), and then a taxi to Gangtok. This journey takes you across the eastern part of India and into the Himalayas. Expect a travel time of 16 to 20 hours by train and road.
Total Distance: 700 km by road, 550 km air distance.
Book your tickets in advance as this is a very popular route.
October to March for pleasant weather in Gangtok.