If Road distance from Land's End to John o' Groats (1,350 km) was a standard unit ...
Length of the Nile River (6,850 km)...more would be 5 x Road distance from Land's End to John o' Groats
Length of the Kazakhstan-Russia border (6,850 km)...more would be 5 x Road distance from Land's End to John o' Groats
Diameter of Mars (6,790 km)...more would be 5 x Road distance from Land's End to John o' Groats
Length of Yellow River (Huang He) in China (5,460 km)...more would be 4 x Road distance from Land's End to John o' Groats
Length of Greenland, North to South (2,660 km)...more would be 2 x Road distance from Land's End to John o' Groats
Distance from London to Edinburgh (535 km)...more would be 2/5 of Road distance from Land's End to John o' Groats
Full length of Broadway (53 km)...more would be 1/25 of Road distance from Land's End to John o' Groats
Length of the Oxford-Cambridge boat race (6.8 km)...more would be 1/200 of Road distance from Land's End to John o' Groats
Length of the Las Vegas Strip (6.8 km)...more would be 1/200 of Road distance from Land's End to John o' Groats
Length of the Starship `Discovery` in the Star Trek series of that name (683 m)...more would be 1/2000 of Road distance from Land's End to John o' Groats
Length of the USS Gerald R. Ford supercarrier (337 m)...more would be 1/4000 of Road distance from Land's End to John o' Groats
Length of the USS Nimitz supercarrier (333 m)...more would be 1/4000 of Road distance from Land's End to John o' Groats
Length of the Titanic (269 m)...more would be 1/5000 of Road distance from Land's End to John o' Groats
Is That A Big Number? - The Book
Yes, there's now a book based on these numbers. Oxford University Press: July 2018.
