The distance from Changanassery to Chennai is approximately 750 km. The most efficient way to travel is by train, which takes about 14 to 16 hours. Alternatively, you can take a bus via the NH 544 and NH 44, which takes around 16 to 18 hours depending on traffic. Chennai is the capital of Tamil Nadu and a major metropolitan city.
Total Distance: 750 km driving distance; 600 km straight-line air distance.
Trains are the most comfortable and reliable option.
Buses are a good alternative if train tickets are unavailable.
November to February for pleasant weather.