Papanasam(Tanjore) to Chennai Aruppukottai to Villupuram Ramnad to Chennai Ongole to Tuni Salem to Villupuram Villupuram to Kovilpatti Villupuram to Sattur Devipattinam to Pondicherry Devipattinam to Villupuram Pondicherry to Chinnamanur Pondicherry to Kaliyakkavilai Vandiperiyar to Chennai Melur to Villupuram Angamaly to Chennai Chilakaluripet to Chennai Chennai to Cherpulassery Chennai to Hosur Chennai to Mundur Chennai to Nagore Chennai to Ooty Chennai to Palakkad Chennai to Rameshwaram Chennai to Velankanni Virudhunagar to Villupuram Nagercoil to Chennai