My Hair is Short but How Long Will It Take to Get This Length?

This is how long my hair is now:

http://www.short-hair-styles-magazine.com/images/short-bob-hairstyles-05.jpg

This how long i want the length of my hair to be:
http://0.tqn.com/d/beauty/1/0/O/n/kclarkson.JPG

Suggestion:

No, hair grows about half an inch a month – and that's less than two months away.

You'll have roughly an inch more hair than you do now.