The journey from the hill station of Coonoor to the temple city of Kanchipuram spans approximately 420 kilometers. You will descend the Nilgiri ghats via Mettupalayam before hitting the plains. The route primarily follows NH 544 and NH 48. Expect a travel time of 9 to 10 hours depending on traffic near Coimbatore and Chennai outskirts. This route transitions from cool mountain air to the humid, historic plains of Tondaimandalam.
Total Distance: Driving distance is 420 km; straight-line air distance is 345 km.
Book your SETC ticket online to ensure a seat on the Coimbatore-Kanchipuram leg.
Start early at 5 AM to avoid heavy truck traffic on the Salem-Chennai highway.
October to March, as the plains are cooler and the Nilgiri descent is safer during dry weather.