Is there a free online route planner for the US?

I need to go to like 15 different places in one trip. Is there some sort of free web site where I can type in the addresses and it will tell me the best order to go in and the directions and such?|||Try mapquest.com or microsoft makes a great program call "streets and roads", I think its called|||Ok, so I know everyone hates answers that just say "google". But seriously, google "free route planner" and tons come up. I would've posted some links but I wanted you to choose the right one for your trip. Have Fun!