The journey from Serampore to Varanasi is about 700 km. You can take a train from Howrah Junction to Varanasi Junction. The journey takes about 10-12 hours. Varanasi is one of the oldest living cities in the world and is famous for its ghats.
Total Distance: 700 km by road, 600 km air distance.
Book in advance as this is a popular route.
October to March for pleasant weather.