270'

What's the difference?
What's the difference? Here we go!
In the winter, that seat is close enough to the radiator to remain warm and yet not so close as to cause perspiration.
In the summer, it's directly in the path of a cross-breeze created by opening windows there and there.
It faces the television at an angle that is neither direct, thus discouraging conversation, nor so far wide as to cause a parallax distortion.
I could go on, but I think I've made my point.