From : Chennai, Tamil Nadu
To : Thirunallar, Karaikal, Pondicherry
Distance : 283.4 km Drive time: 8 hrs 16 min (approx.)
Route : Take NH 45 from Chennai all the way to Tindivanam, turn left and take NH 66. Turn right on Cuddalore Road, take NH 67 all the way through Chidambaram, Sirkali .. to Karaikal, Pondicherry. From here ask for directions to Thirunallar.