Thrissur to Pondicherry Naidupeta to Eluru Tuni to Srikalahasti Kumbakonam to Villupuram Tirupathi to Tadepalligudem Ramanathapuram to Madurai Nellore to Tanuku Rajahmundry to Srikalahasti Villupuram to Tirunelveli Trivandrum to Pondicherry Pondicherry to Devakottai Thuckalay to Chennai Kanyakumari to Chennai Kanyakumari to Villupuram Aluva to Chennai Kondotty to Villupuram Chennai to Morayur Chennai to Periyakulam Chennai to Ramanathapuram Chennai to Rameshwaram Chennai to Vandiperiyar Chennai to Virudhunagar Vadakkanchery to Chennai Chittoor (Andhra Pradesh) to Trichy Ettayapuram to Villupuram