The journey from Mahabalipuram to Kolkata is a long-distance trip of about 1650 km. You must reach Chennai and take a direct train to Howrah or Shalimar (Kolkata). This is a major route on the East Coast Railway line. Flight is the most recommended mode of transport due to the distance.
Total Distance: 1650 km by road, 1400 km air distance.
The Coromandel Express is a reliable train for this route.
October to March for pleasant weather.