The journey from Charaideo to Gangtok covers about 850 kilometers through the scenic plains and hills of Assam, West Bengal, and Sikkim. The most practical route is via NH 27, passing through Guwahati and Siliguri. You can hire a private taxi from Sonari for a direct journey. The drive takes approximately 20 to 22 hours, depending on traffic and road conditions. Ensure you have your identification documents ready for the interstate transit.
Total Distance: 850 km driving distance, 550 km straight-line air distance.
Start early to avoid traffic in Guwahati.
October to March for pleasant weather.