A splitter probably won't work, what you need is a powered switch and than run 24 gauge HDMI cables. Something like this cheap one. More expensive ones may be better and monoprice has a good selection.
http://www.monoprice.com/products/pr...seq=1&format=2
Cat5e cables can also work but I've never tried that setup.
Lower down on this page are some HDMI extenders using Cat5e or Cat6.
http://www.monoprice.com/products/su...01&cp_id=10110