Money Dunkin’ says it may close 800 U.S. stores by the end of the year July 30, 2020 Brett Molina, USA TODAY Comments Off on Dunkin’ says it may close 800 U.S. stores by the end of the year Dunkin' said it may permanently close 800 locations in the U.S. by the end of 2020, including 450 Speedway stores which were previously announced.