Circle K Corporation is located at 35000 Royalton Rd, Grafton, OH. This business specializes in Convenience Stores. Circle K Corporation is open Mon, 12am-12am ; Tue, 12am-12am ; Wed, 12am-12am ; Thu, 12am-12am ; Fri, 12am-12am ; Sat, 12am-12am ; Sun, 12am-12am. and accepts American Express, Discover and Visa.