There are central bus stops in Naoussa and Parikia.
From Parikia to Naoussa, there are routes every half hour, and vice versa.
From Parikia and Naoussa, there are bus routes serving all of Paros.
From Naoussa to Ambelas, there are only 3–4 routes per day.
From the airport, there is always a bus after every flight going to Parikia and Naoussa.