Friend of (someone's) heart

Translation of "friend of (someone's) heart" into Russian

друг сердца

Though they lived miles apart, he was always a friend of her heart.

Хотя они жили далеко друг от друга, он всегда был её другом сердца.

A person who is deeply cherished and loved; a close and dear friend who holds a special place in someone's affections.