Check out this article on Theatlanticcities.com. There is a research that suggests that rioters do think about where they can loot. The research also says that rioters think a lot like shoppers. A lot of them likes to loot where there are a lot of things. Like shoppers, they will see which store has the best stuff. The distance of the store may not matter but it could be what stores have good stuff and larger stores are at greater risk to be looted.
Read the full article here:
How Rioters Act Like Shoppers