Realsimple shares their tips on arranging living room furniture.
In furniture arrangements, 18″ is the magic number. 18″ means that your guests can pass between furniture pieces with ease.
For more information, see: http://simplystated.realsimple.com/2013/02/12/arranging-living-room-furniture/
Sounds like a good thing for living room or home office.
18″ doesn’t seem like much of a walkway. Maybe 24″ would be more realistic?