About 800 U.S. stores will close, including 450 limited-menu Speedway locations. Additionally, about 350 international locations will be closed.Dunkin' Donuts will be closing more than a thousand stores by the end year. About 800 U.S. stores will close, including 450 limited-menu Speedway locations. Additionally, about 350 international locations will be closed. The closures will account for about 8 percent of the chain's total U.S. stores, and will mostly focus on low-sales volume locations. Dunkin' reported a decline of 18.7 percent in the second quarter of 2020 due to the coronavirus pandemic. What large chain has the best coffee? What about donuts? photo getty images