That's contingent on the transmitting power of the station. Growing up in northern Michigan, at night I used to listen to WLS out of Chicago as well as WJR in Detroit for it's Tiger games. Any stations in between would be non existant or static filled.
There's a station here in the Detroit area that fades out after the sun goes down and you can't listen to it........
More often than not, it depends on the ionosphere and solar activity of the previous daylight hours.
If they are optimum and you are in the right location, you will receive the signal from an AM station from far away because the signal 'skips' from transmitter, to ionosphere, to Earth and so on. If you are in a location where the signal hits Earth then you get the ballgame as if it were transmitted from across town.
I use the same phenomenon to talk to Alaska and even Australia at times from my own radio shack...when conditions are right and I have enough power.