Nordstrom and Talbots located in Columbus, Ohio offers great selections in plus size dresses. Keep in mind that Go Figure Consignment carries dresses in plus sizes that will fit any budget.
Harrisburgh is farther
Indianapolis, Indiana
Columbus' area is 223.11 square miles.
any dress store or clothe store mainly
the moroccan clothes store if not there try the moroccan dress store
at the store (jcpennies, gordmans)
TargetKohl'sJCPennyMacy's
Kleinfeld's
Ebay
You might have a hard time finding it in local stores, but many online retailers specialize in plus sizes. Try www.buycostumes.com/PlusSize or www.plussizecostume.com
You can find a similar white dress from the Volvo s80 commercial from a dress store such as Dress Barn. They have great dress selections for discounted prices.
Vera Wang is a great dress company. WalMart is a store that sells many items online. You can purchase a dress from WalMart and they will have it delivered to the store for free or to your home for a nominal cost.