## Neat Ratios ...

Diameter of Venus (12,010 km)

- is 2.5 x Diameter of Mercury (4,880 km)...more
- is 2.5 x Length of I-90 highway from Boston to Seattle (4,860 km)...more
- is 4 x Length of the Rio Grande (USA, Mexico) (3,057 km)...more
- is 5 x Diameter of Pluto (2,377 km)...more
- is 10 x Length of mainland Italy (1,185 km)...more
- is 20 x Length of the St Lawrence Seaway Canal system (600 km)...more
- is 40 x Length of the British Grand Prix Formula 1 motor race (306.3 km)...more
- is 100 x Diameter of the (fictional) Death Star in the first Star Wars movie (120 km)...more
- is 400 x Highest ascent by a propellor-driven aircraft (2001) (29.52 km)...more
- is 2000 x Height of Mount Kilimanjaro (5.89 km)...more
- is 2500 x Highest altitude reached by a single kite (4.88 km)...more
- is 5000 x Length of the Epsom Derby horse race (2.4 km)...more

If this was a standard unit ...