It would be easiest to go over the door and run along the trim

To go in front of the door you'll probably use something like this http://www.amazon.com/gp/aw/d/B00006HVLW/ref=mp_s_a_1_1?qid=1458599703&sr=8-1&pi=SX200_QL40&keywords=floor+cable+cover&dpPl=1&dpID=41F1ZA0DVPL&ref=plSrch

But it's not gonna look at that good and good luck getting it to stick to the ground and stay