Thoothukudi is a port city in the Indian state of Tamil Nadu. It is located on the Bay of Bengal and is known for its rich history, including the pearl fishing industry. Thoothukudi is also known for its production of salt, and is one of the largest producers of salt in India. The city has a mix of industries, including fishing, shipping, and manufacturing, and is an important commercial center for the surrounding region.

Chennai to Thoothukudi is approximately 630 km and can be traveled by cab. It typically takes around 12 hours by road and the fare depends on various factors like the type of cab, the route taken, and the traffic conditions.