if you cant network them, just burn the MP3s to disk, dont make WMP turn them into CD format. You can usually fit around 150-200+ MP3s on a CD.
To do this just open the blank CD like you would burn non-music files and drag and drop the files onto the blank CD and then burn them. When the burn wizard comes up it might ask you if you want to make a data CD or music CD, make it a data CD.