A miss is as good as a mile
Definition 1 of 1
Pro Tip 1/3Failure's Implications
This phrase implies the insignificance of failure's magnitude in certain situations. 
He almost aced the test, but a miss is as good as a mile.
Pro Tip 2/3Nuanced Encouragement
The phrase can be used to encourage someone to aim for perfection, not just closeness. 
Remember, in this competition, a miss is as good as a mile.
Pro Tip 3/3Idiomatic Usage
Understand the phrase is idiomatic; it's not used to discuss actual distances. 
Though she nearly got the role, a miss is as good as a mile in Hollywood.