"Space is big. You just won't believe how vastly, hugely, mind-bogglingly big it is. I mean, you may think it's a long way down the road to the drug store, but that's just peanuts to space." Douglas Adams

How big is 23.0 km ?

More or less ...

Smaller than: Highest ascent by a propellor-driven aircraft (2001) (29.52 km) ...

Bigger than: Length of Manhattan Island (21.6 km) ...

And equivalent to ...

1 / 1,740 of the distance around the equator ...

1 / 242 of the distance from London to New York ...

1 / 23 of the distance from London to Edinburgh ...

1 / 17 of the height of the orbit of the International Space Station ...

1.77 times the cruising altitude of a commercial jet ...

2.60 times the height of Mount Everest ...

23.49 times the height of Angel Falls (Venuzeula) ...

27.71 times the height of the `Burj Khalifa` scyscraper (Dubai) ...

94.26 times the length of London's Tower Bridge ...

219.05 football pitches end to end ...

2,048.09 London buses end to end ...

3,965.50 times the height of a giraffe ...

5,476.20 times the height of an African elephant ...

8,518.50 times the height of an ostrich ...

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