Kolkata is about 1500 kilometers from Gautam Buddha Nagar. The fastest way is by flight from Delhi Airport, taking about 2 hours. You can also take a train from Delhi, which takes about 18-24 hours. Kolkata is a major city in West Bengal.
Total Distance: 1500 km by road, 1300 km straight-line.
Book tickets well in advance.
Book in advance for cheaper fares.
October to February for pleasant weather.