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Is 701.20 cubic kilometers as big as a Hot Air Balloon?

It's about 300,000,000 times as big as a Hot Air Balloon
The size of a Hot Air Balloon is about 0.00000220 cubic kilometers.
(four-person capacity; envelope volume; average)
The average volume of a hot air balloon sufficient to lift four adults is 0.00000220 cubic kilometers. Typically made of nylon or dacron, a balloon envelope of this size typically weighs just 88 kg (190 lbs).
There's more! See other comparisons to 701.20 cubic kilometers...