a stone's throw away
A short distance away from something. Brett wanted a shorter commute, so he moved to a house that is just a stone's throw away from his job. The ocean is a stone's throw away!
(just) a stone's throw away
(from something) Go to within a stone's throw (of something).
stone's throw away
Fig. a short distance; a relatively short distance. John saw Mary across the street, just a stone's throw away. Philadelphia is just a stone's throw away from Camden, New Jersey.