There are direct busses to Tanjore from cities like Madurai, Trichy, Pudukkottai and chennai. The main bus stand has bus facilities to all major cities of Tamilnadu.
Rains including Rameshwaram express, Velankanni special train, Boat mail and sethu express arrive at Tanjore junction regularly. There are lots of train frequencies to Trichy.
Tanjore didn’t have its own airport. The nearest airport is at Trichy.