Pizza lovers in Fontana, California, have broken the Guinness Record for the world’s longest pizza, by baking a 1.9 km long margherita.br Weighing a whopping 7808 kilos, the pizza measures 6,333 feet 3.6 inches, smashing the previous record by 251 feet. Volunteers required a total 9,702 kg of dough, 6,803 kg of mozzarella cheese, and two tonnes of tomato salsa.