These two phrases share similar meanings and are used together to emphasize that the man told a lot of people. "Word" here is a metonym for "message." AT: "tell everyone ... spread the message" (See: [[rc://en/ta/man/translate/figs-parallelism]] and [[rc://en/ta/man/translate/figs-metonymy]])
The word "everyone" is an exaggeration to emphasize how very many people he told. AT: "many people he met" (See: [[rc://en/ta/man/translate/figs-hyperbole]])
It is implied that the large crowds prevented Jesus from being able to enter the towns because the crowds made it difficult for him to walk around there. AT: "the crowds prevented Jesus from moving freely in towns" (See: [[rc://en/ta/man/translate/figs-explicit]])
The word "everywhere" is a hyperbole used to emphasize how very many places the people came from. AT: "from all over the region" (See: [[rc://en/ta/man/translate/figs-hyperbole]])