There are daily buses from Pyrgos to Olympia. This bus (via Pyrgos) also connects Olympia with other towns of Greece, including Athens, Patra, Kalamata, and Thessaloniki.
In the summer months, there is a train from the port of Katakolon to Olympia. This train serves cruise passengers who arrive in Katakolon and want to visit Ancient Olympia. From Katakolon, Athens and other places, there are also day tours to Olympia.