Truro is a town in Barnstable County, Massachusetts, United States, comprising two villages: Truro and North Truro. Located slightly mor…Truro is a town in Barnstable County, Massachusetts, United States, comprising two villages: Truro and North Truro. Located slightly more than 100 miles by road from Boston, it is a summer vacation community just south of the northern tip of Cape Cod, in an area known as the "Outer Cape". English colonists named it after Truro in Cornwall, United Kingdom.