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Length of the Indianapolis 500 motor race (805 km) is 200 x Length of Central Park (NYC) (4 km)
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Forest in British Virgin Islands (2011) (36.7 km^2)
If this was a standard unit ...
Yes, there's now a book based on these numbers. Oxford University Press: July 2018.
Click here to learn more about it.
Click here for Podcast: Andrew Elliott interviewed for New Books Network.