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 20 km from the Katerina Park Hotel.
By taxi
The journey from the station to the Katerina Park Hotel by taxi should take around 30 minutes, but can take much longer during rush hour. Taxis will cost $30-40, or you can book a transfer with a driver to meet your train here.
By metro
Take the metro from Kievskaya Metro Station and travel counterclockwise on the brown circle line three stops to Dobryninskaya. Change there to the gray line, and travel south six stops to Prazhskaya, which is only five minutes' walk from the Eridan-2 Hotel (exit the station from the front of the train).