Stavros Niarchos Foundation Cultural Center is worth a visit, located 1.2 mi (1.9 km) from central Kallithea. If you want to go again, Olympia Theatre is another great choice in Kallithea, and is actually not far from Stavros Niarchos Foundation Cultural Center.
Onassis Cardiac Surgery Center is a hospital located 0.9 mi (1.5 km) from central Kallithea.