The Town of Poonamallee is situated at a distance of 23 kilometres from Fort St George and 17 kilometres from Sriperumbudur on the Chennai-Bangalore highway. It is located at the end of the Mount – Poonamallee Road and Poonamalle High Road,11 kilometres from Guindy and 13 kilometres from Chennai Mofussil Bus Terminus on the Chennai bypass. The nearest railway station is at Avadi and Thiruninravur which is nine kilometres away. It is also an important halting point for buses starting from Chennai Mofussil Bus Terminus and going towards Thirupathi, Kanchipuram, Vellore etc.