Cuddalore is on the main coastal highway and railway between Chennai and Nagapattinam, making it easy to reach from most of Tamil Nadu.
By train: Cuddalore Port Junction and Cuddalore town stations are on the Chennai-Mayiladuthurai rail line. Trains run regularly from Chennai (about 3-4 hours), Pondicherry (30-40 minutes), and Chidambaram (about 1 hour).
By road: Cuddalore is on the ECR (East Coast Road) and NH32. Regular bus services connect to Chennai (about 3 hours), Pondicherry (30 minutes), and Chidambaram (45 minutes). The TNSTC bus stand in Cuddalore has frequent services in all directions.
From Pondicherry: The nearest large city is Pondicherry, just 20 km north. Share autos and buses run the route throughout the day.