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Length of Africa (North to South) (8,000 km) is 2.5 x Length of the Indus River (3,180 km)
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Length of Route 66 from Chicago to Los Angeles (3,940 km)
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.