If Length of the Starship `Enterprise` in the Original Star Trek series (289.7 m) was a standard unit ...

Length of the Danube River (2,880 km)...more would be 10000 x Length of the Starship `Enterprise` in the Original Star Trek series

Length of Hadrian's Wall in Northern England (117.5 km)...more would be 400 x Length of the Starship `Enterprise` in the Original Star Trek series

Length of the longest canal tunnel (Rove Tunnel in France) (7.12 km)...more would be 25 x Length of the Starship `Enterprise` in the Original Star Trek series

Length of the Great Sphinx of Giza (73 m)...more would be 1/4 of Length of the Starship `Enterprise` in the Original Star Trek series

Overall length of an Airbus A380 (72.7 m)...more would be 1/4 of Length of the Starship `Enterprise` in the Original Star Trek series

Width of a football goal (7.32 m)...more would be 1/40 of Length of the Starship `Enterprise` in the Original Star Trek series

Length overall of a `RS:X` windsurfing board (2.86 m)...more would be 1/100 of Length of the Starship `Enterprise` in the Original Star Trek series

Is That A Big Number? - The Book

Yes, there's now a book based on these numbers. Oxford University Press: July 2018.