Kiev Station is the Moscow terminal for trains to/from Kiev and several other European cities including Belgrade, Zagreb, Bucharest, Budapest, Prague, Vienna, and Venice.
By taxi
The drive to the Katerina City Hotel takes around 30 minutes, and taxis at the station can be negotiated for around $25. It is also possible to order a transfer with a driver to meet your train here.
By metro
From Kievskaya Metro Station (accessed from the mainline station concourse) travel counterclockwise on the brown circle line four stops to Paveletskaya, which is roughly five minutes' walk from the Katerina City Hotel.
