Hmmmm, Yeah thats true but usually the rooms are joined or really close to each other.
This is an interior room and a garage.
Close to each other, yes, but joined, not even.
On the joining wall circuit, it includes the master bath, one socket in the master bedroom, then on the other side of the wall is the garage socket (one) that is on that breaker.
Then one in the washroom, and finally one the back porch.
In the room I am in now there are three wall sockets on one circuit, which joins with another room twenty feet away, and has one more in the living room against a far wall. So that is three rooms, about 35 feet between the farthest sockets.
In this room is another single socket that shares with two sockets in themaster bedroom. That is about 60 feet away.
So no, they don't need to be joined, or close.
You should be fine.