The journey from Sattur to Puducherry covers 450 km. The most practical way is to take a train to Chennai and then a bus to Puducherry. Alternatively, you can drive via NH 44 and NH 32. Puducherry is a beautiful coastal town with French influence. Expect a travel time of 10 to 12 hours.
Total Distance: 450 km by road, 350 km air distance.
Chennai is the best transit point.
October to March for pleasant weather.