Solved How to see how many blocks an arrow/snowball travels?

I've had an attempt to see how many blocks an arrow/snowball/enderpearl/etc; travels, but to no avail. BlockIterators, for example, seemed to have no success.

(The BlockIterator results varied too much for them to be useful for this)

Is there an easy way to do this that I've missed?

Edit:

Solved this by using...

Code:

 
                Location shooter = ((Player) ((Snowball) damager).getShooter()).getLocation();
                Player entity2 = (Player) ((Snowball) damager).getShooter();
 

Then to get the distance:

Code:

entity.getLocation().distance(shooter)