The journey from Ponneri to Guwahati is a long-distance trip of over 2500 km. You must travel to Chennai Central to board long-distance trains like the Coromandel Express to Howrah, then connect to Guwahati. Flights from Chennai are the most practical option for this distance. Guwahati is the gateway to Northeast India.
Total Distance: Driving distance 2500 km, Air distance 2000 km.
Flights are highly recommended due to the long distance.
October to April for pleasant weather.