It's not the cord it's the back of the unit that matters.
I used to put every surface range receptacle vertical somewhere near the middle of the space. Now almost every one I do I have to lay horizontal and pushed 8"-10" off center so the cord loops toward the middle.
More and more I am putting them in a 2-gang box in the wall.
Sometimes I feel like if I answer any more questions it is like someone trying to climb over a fence to jump off a bridge and me giving them a boost.