The wait was on the long side for the pizza - 18 hours - but this was an extraordinary pie measuring 1.59545 kilometres or nearly a mile long.

More than 60 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 a Guinness World Records judge that it was the world's longest pizza.

Expo organisers said the record-setting pizza, made with 1.5 tons of mozzarella and two tons of tomato sauce, weighed five tons in all.

The creation topped the record of a 1.1415-kilometre-long pizza made in Spain. Fair-goers could eat slices of the Milan pizza for free.

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