Ponnagar Extension is an sublocality in Karumandapam, Tiruchirappalli, Tiruchirappalli District, Tamil Nadu, India. Karumandapam (0.0 Km), Thillai Nagar (5.94 Km), Edamalaipatti Pudur (6.43 Km), KK Nagar (7.92 Km), Vasan Nagar (9.05 Km) are the nearby areas to Ponnagar Extension. Sholanganallur, Tiruchirappalli, Nachikurichy, Tiruchirappalli are the nearby cities to Ponnagar Extension.