an odometer
A map. Maps are often unfolded or opened before use, so the phrase "turn it over" could refer to flipping the map to view the other side.
a run in math is referring to slope, which is rise over run. rise is how far you travel up, and run is how far you travel over.
1
942.477796
Most Spitfires could travel about 900 miles before refuelling.
The characteristic of sound that determines how far it can travel before dying out is its intensity or amplitude. Sound waves with higher intensity can travel further before their energy is dissipated and they become too weak to be detected.
A bullet from a 9mm pistol generally has the range of 2500yds, but rarely travels that far because before it can it generaly hits something. So in other words with a open range it can travel a little over a mile.
as far as it wants
You should turn on your turn signal before you need to brake for the turn.
That depends on where it started.
251.2 cm
A little over 11 years i think :]