Coming out to meet Paul, believers from Rome traveled as far as the Forum of Appius and where?

Answer: Three Taverns

The brothers in Rome came as far as the Forum of Appius and the Three Taverns; seeing them, Paul thanked God and took courage.

“The brothers there had heard about us and traveled as far as the Forum of Appius and the Three Taverns to meet us. When Paul saw them, he was encouraged and gave thanks to God.”— Acts 28:15 (BSB)