I Cross Extension is an sublocality in Nanganallur, Chennai south, Chennai, Chennai District, Tamil Nadu, India. Nanganallur (0.0 Km), Keelakattalai (3.22 Km), Alandur (3.25 Km), Adambakkam (3.38 Km), Madipakkam (3.61 Km) are the nearby areas to I Cross Extension. Sri Ambal Nagar, Thirusulam, Nemilicherry, Chennai, Meenambakkam, Meenampakkam are the nearby cities to I Cross Extension.