bliskost

1. (between people) closeness; intimacy
   Između nas postoji velika bliskost. — There is a great closeness between us.
   Deci je potrebna bliskost s roditeljima. — Children need closeness with their parents.
2. (in space or time) proximity; nearness
   Vremenska bliskost ta dva događaja nije slučajna. — The closeness in time of these two events is no coincidence.
3. (of views, languages) closeness; similarity
   Bliskost srpskog i ruskog jezika olakšava učenje. — The closeness of Serbian and Russian makes learning easier.

For physical proximity (in space), "blizina" is the usual word: "blizina centra grada"; "bliskost" is less common in this sense.