Ross Dress for Less to open a new store in Derby, Kansas on July 16th. The 25,000 square foot store is located in Derby Marketplace, 11 miles south of Wichita. The opening is part of the retailer's 2016 proposed expansion program of about 70 new locations during the year. Together, Ross Dress for Less and dd's DISCOUNTS® currently operate approximately 1,500 off-price apparel and home fashion stores in 34 states, the District of Columbia and Guam.