The journey from Engandiyoor to Guwahati is one of the longest in India, spanning over 3200 km. You must reach Thrissur Railway Station to board trains heading towards Northeast India. The route crosses several states. Flights from Cochin to Guwahati are the most practical option for such a long distance.
Total Distance: 3200 km by road, 2600 km air distance.
This is a very long journey; consider breaking it in Kolkata.
October to April for pleasant weather.