The Moscow terminal for trains to/from Kiev and several eastern and central European destinations including Belgrade, Zagreb, Bucharest, Budapest, Prague, Vienna, and Venice, Kiev Station is roughly 8 km from the Ozerkovskaya Hotel.
By taxi
The journey from the station to the Ozerkovskaya Hotel by taxi should take about 20 minutes, but can take much longer during rush hour. Taxis will cost $20-30, or you can book a transfer with a driver to meet your train here.
By metro
Alternatively, take the metro from Kievskaya Metro Station (connected by subway to the mainline station) and travel four stops counterclockwise on the brown circle line to Paveletskaya, which is about five minutes on foot from the Ozerkovskaya Hotel.