Mettupalayam to Pondicherry Thrissur to Chennai Kamuthi to Chennai Tuni to Tirupathi Villupuram to Erumely Villupuram to Neyyattinkara Villupuram to Ramnad Tadepalligudem to Naidupeta Pondicherry to Devakottai Pondicherry to Ernakulam Pondicherry to Ettayapuram Pondicherry to Kaliyakkavilai Coimbatore to Villupuram Chennai to Aruppukottai Chennai to Tirunelveli Chennai to Trivandrum Trichy to Chittoor (Andhra Pradesh) Trichy to Pondicherry Trichy to Villupuram Coonoor to Chennai Marthandam to Pondicherry Nagercoil to Pondicherry Tanuku to Srikalahasti Valliyur to Pondicherry Valliyur to Villupuram