The journey from Shnongpdeng to Gangtok is a 600 km drive through the scenic hills of Meghalaya and the plains of Assam and West Bengal, then into the hills of Sikkim. You will pass through Shillong, Guwahati, and Siliguri. The road is well-maintained but long. Expect a travel time of 16 to 18 hours by private taxi or a combination of taxi and train.
Total Distance: 600 km by road, 350 km straight-line.
Consider a stopover in Siliguri.
October to March for pleasant weather.