Did you know?
Diameter of Mercury (4,880 km) is 50 x Length of the Kiel Canal (98 km)
Tweet this comparison
Land Area of Benin (112,600 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.