The journey from Musabani to Gangtok covers 750 km. You must reach Tatanagar, take a train to New Jalpaiguri (NJP), and then a taxi to Gangtok. Gangtok is the capital of Sikkim and is known for its monasteries and mountain views.
Total Distance: 750 km by road, 650 km air distance.
You need an Inner Line Permit for Sikkim.
March to May and October to December.