With 1500 km range, it's typically used to strike static target deep inside Ukraine. They'd need intel gathering to decide what and when to strike. I think Russian Black Sea fleet is still tasked with blockade of Black Sea preventing Nato entry.
Striking railway satation in Dnipro on Apr 22.
Striking Ukraine targets in Apr 5.
Striking arsenal In Zhytomyr region Mar 26.
Striking military infrastructure on Mar 22.
The strike at the mercenary training base near Lviv was also carried out by ship launched Kalibr.