Thuvarankurinchi to Chennai Kadayanallur to Chennai Aruppukottai to Villupuram Kaliyakkavilai to Pondicherry Vijayawada to Nellore Rajapalayam to Chennai Sivakasi to Villupuram Rajahmundry to Nellore Velankanni to Chennai Villupuram to Ernakulam Villupuram to Gobi Villupuram to Marthandam Pondicherry to Arumuganeri Pondicherry to Karaikudi Pondicherry to Neyyattinkara Pondicherry to Periyakulam Pondicherry to Sathyamangalam Pondicherry to Vasudevanallur Chennai to Mettupalayam Chennai to Sathyamangalam Chennai to Virudhunagar Nagercoil to Pondicherry Kumily to Villupuram Chittoor (Andhra Pradesh) to Madurai Valliyur to Pondicherry