By car/taxi:
Take the National Highway 48 (NH48). The journey typically takes around 2 hours and 30 minutes to 3 hours, depending on traffic conditions.
By bus:
Take the bus from the airport towards Vellore. The journey by bus is approximately 4 hours.
By train:
Take a taxi or bus to Chennai Central Railway Station from the airport. From there, catch the train towards Vellore. The journey is about 3 hours.