Thandalam is an city in Tiruvallur District , Tamil Nadu, India, 600128. Karanai, Adhigathur, Thandalam, Satharai, Panambakkam, Killnallathur, Pirayankuppam, Venmanambudur, Erayamangalam, Chennai, Senji, Alinjivakkam, Sri Devikuppam are the nearby cities to Thandalam.