The route from Nongstoin to Kolkata is a very long journey through the plains of Assam, West Bengal, and Bihar. You will travel via Guwahati, covering 1100 km in about 24 hours. The route follows NH 27 and NH 19. Kolkata is the capital of West Bengal and a major cultural hub.
Total Distance: Driving distance is 1100 km; straight-line distance is 600 km.
This is a very long journey; consider a flight from Guwahati to Kolkata.
October to March for pleasant weather.