What does a ratio of 100 : 1 look like?
World record longest flight of an arrow from a bow (2010) (484 m)...
: Length overall of a `49er` racing dinghy (4.88 m) ...
Length of the longest canal tunnel (Rove Tunnel in France) (7.12 km)...
: Length of a Boeing 747 airliner (70.7 m) ...
Length of the Trans-Canada Highway from Victoria to St John's City (7,820 km)...
: Length of the Panama Canal (77 km) ...
Height of Olympus Mons (Mars) (21.9 km)...
: Height of the Hoover dam wall (221.4 m) ...
Length of the Indus River (3,180 km)...
: Narrowest width of the English Channel (32.3 km) ...
