Does anyone know the cost of a taxi from FCO airport to Civitavecchia port?
According to this site about 82 euros!
http://www.worldtaximeter.com/rome/FCO+Airport/Civitavecchia+RM%2C+Italy
It is about an hour via taxi so it will be expensive. It will be in the range of 80 to 100 Euro. The train is very easy to do. Train station is an easy walking mile to the port entrance.