The journey from Firozabad to Gangtok covers 1500 km. You can take a train to New Jalpaiguri (NJP) and then a taxi or bus to Gangtok. The journey takes about 32 hours. Gangtok is the capital of Sikkim.
Total Distance: 1500 km by road, 1200 km air distance.
Book tickets to NJP station.
March to June and October to December.