Helaman 5:16

and even from one city to another, until they had gone forth among all the people of Nephi, which were in the land southward; and from thence into the land of Zarahemla, among the Lamanites.

They went from one city to another. They went to all the Nephites in the south land. Then they went into Zarahemla among the Lamanites.

They traveled from city to city until they’d reached all the Nephites in the southern lands. Then they went to the land of Zarahemla, where the Lamanites lived.