Yummm..
1.59545 kilometers, or nearly a mile long and a portable oven was used to bake it.
Eighty of Italy’s best pizza-makers worked through the night to create the pizza at Milan’s world fair, Expo 2015. Their toil was rewarded with a proclamation by Guinness World Records judge Saturday that it was the world’s longest pizza. Expo organizers said the record-setting pie, made with 1.5 tons of mozzarella, 5,500 pounds of dough, and 2 tons of tomato sauce, weighed some 5 tons in all.