Matthew Poole and continuators on Acts 28:15

15 And from thence, when the brethren heard o[illegible: 1 letter] us, they came to meet us as far as Appii-forum, and the three taverns: Whom when Paul saw, he thanked God , and took courage.

A place about One and Fifty Miles, or Seventeen Leagues from Rome; so called from Appius Claudius, who made a Way from Rome thither, called from his Name, The Appian-way; and had his Statue there set up; which is the Reason why it is called thus: For the Romans did call those places Fora, where such Statues were placed (The concourse to see those Statues might bring them to become Markets).

As that was a place of resort for the buying and selling of other Commodities, so this for the affording of necessary Provision. A little Town, hence so called, about Three and Thirty Miles, or Eleven Leagues from Rome. So that some came a greater, some a lesser way to meet with Paul, and shew their Respect unto him. These brethren are thought to have been converted by such as at the Day of Pentecost were present, when those Miracles were wrought, Chap. 2.10. it being expresly said, that there were strangers from Rome.

God moving so many not to be ashamed of his bonds.