By train “Moscow-Ryazan”, or by electric train (electrichka) to Rybnoye station, and by bus #132 to Konstantinovo then.
From the Central bus-station to Konstantinovo 6:10 9:40 13:40 18:35 (every day),
7:00 11:00 16:00 18:25 (Fryday-Sunday).
From Moscow by car along M4 about 170 km.
The most wonderful, but very expensive way to get to Konstantinovo is a river cruise. There are a number of ships that go along rivers Moskva - Oka - Volga - Moscow Channel. The whole cruise tooks 9 days. One of those days you will be able to visit Konstantinovo.
The usual price varies from $300 to $1000 per person for the whole 9 days.
The most popular way to get to Konstantinovo is car or tourist bus. Konstantinovo is located not far from Ryazan (administrative center of the region). It is about 20 km from Ryazan towards Moscow to the town of Rybnoye (the closest railway station) and about 20 km from Rybnoye to the north.
If your are going from Moscow - it is about 170 km in total.