Ottapidaram to Chennai to Dindivanam to Kamanayakkanpatti to Kovilpatti Ottapidaram to Madurai to Melur to Pasuvanthanai Ottapidaram to Perambalur to Pondicherry to Puthiamputhur to Sattur to Sattur Bypass Ottapidaram to Tiruchirapalli to Tirumangalam to Ulundurpet Ottapidaram to Villupuram to Virali Malai to Virudhnagar