## Neat Ratios ...

Diameter of Mars (6,790 km)

- is about as big as Length of the Nile River (6,850 km)...more
- is about as big as Length of the Kazakhstan-Russia border (6,850 km)...more
- is 5 x Road distance from Land's End to John o' Groats (1,350 km)...more
- is 20 x Length of the River Thames (346 km)...more
- is 1000 x Length of the Oxford-Cambridge boat race (6.8 km)...more
- is 1000 x Length of the Las Vegas Strip (6.8 km)...more
- is 5000 x Height of Ben Nevis, highest point in British Isles (1.344 km)...more
- is 10000 x Length of the Starship `Discovery` in the Star Trek series of that name (683 m)...more

If this was a standard unit ...