World's largest flag unfurled in Romania Pictures World's largest flag unfurled in Romania A huge Romanian flag on the Clinceni Airfield, south of Bucharest, Romania, May 27, 2013. Romania entered the Guinness Book of records after it unveiled the largest flag ever made. It took about 200 people several hours Monday to unfurl a five-ton flag of Romania which organizers said measured 1,146 feet by 744.4 feet, about three times the size of a soccer field. All photos from Clinceni Airfield, south of Bucharest, Romania, May 27, 2013 Credit: Bogdan Cristel/AP