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