Thrissur to Pondicherry Chidambaram to Chennai Papanasam(Tanjore) to Chennai Neyyattinkara to Villupuram Naidupeta to Rajahmundry Ongole to Chilakaluripet Ongole to Vijayawada Calicut to Villupuram Velankanni to Chennai Villupuram to Arumuganeri Villupuram to Palani Villupuram to Rajapalayam Villupuram to Sattur Tadepalligudem to Chennai Tirunelveli to Pondicherry Pondicherry to Chinnamanur Srivilliputhur to Villupuram Chennai to Authoor North Chennai to Cumbum Chennai to Kottakkal Chennai to Valluvambram Madurai to Chennai Coonoor to Pondicherry T Kallupatti to Chennai Chittoor (Andhra Pradesh) to Madurai