Mettupalayam to Villupuram Srikalahasti to Tadepalligudem Sullurpeta to Vizag Paramakudi to Chennai Rameshwaram to Madurai Ongole to Annavaram Kumbakonam to Villupuram Ramanathapuram to Chennai Nellore to Annavaram Rajahmundry to Srikalahasti Villupuram to Ramnad Villupuram to Vasudevanallur Pondicherry to Madurai Pondicherry to Palani Ernakulam to Chennai Coimbatore to Pondicherry Sattur to Villupuram Bathalagundu to Pondicherry Chennai to Cochin Chennai to Mayiladuthurai Chennai to Mundur Chennai to Thrissur Chennai to Trivandrum Marthandam to Chennai Valliyur to Pondicherry