Mettupalayam to Villupuram Krishnagiri to Kovilpatti Puliyangudi to Chennai Vytilla to Villupuram Calicut to Chennai Nellore to Madurai Rasipuram to Chennai Villupuram to Cochin Villupuram to Sattur Villupuram to Thrissur Thirumangalam to Tirupathi Pondicherry to Kodaikanal Annavaram to Sullurpeta Hosur to Chalakudi Sattur to Hosur Chennai to Calicut Chennai to Chalakudy Chennai to Nagore Chennai to Tanjore Virudhunagar to Hosur Vadakkanchery to Chennai Marthandam to Hosur Chittoor (Andhra Pradesh) to Salem Kovilpatti to Chennai Bangalore to Thrissur