Powerline Adaptors will only get you to one other place in the property, and you said places.
Though if you get a set of PLAs with a WiFi capability at the far end, that will at least cover what’s in range of that WiFi. Like this one:-
I was very happy with one of these to get the internet, and WiFi, out to my garden office over the mains cable that ran out to there.
But you might want to consider a proper WiFi mesh system instead.