We have a desktop pc that connects to a 8 port hdmi splitter. We extend the desktop to a smart tv via HDML, and used HDML/VGA adapters to extend to 2nd VGA monitor, and a VGA projector. It is working great. Now we want to add two TV's to front of church approximately 80 feet. Which cables would work best using the same HDMI splitter? Thanks for your help.