Fetching details from the dictionary...
to walk about; to walk around; to walk to and fro; to pace around; to wander
彼は部屋を歩き回る。
He walks around the room.
ずっと歩き回っている。
I've been walking around the whole time.
観光客は旧市街を一日中歩き回った。
The tourists walked around the old town all day long.