The Wat Phra That Phanom is located in the small village of That Phanom in the Southern part of Nakhon Phanom province, North East Thailand, about 70 kilometers South of the provincial capital Nakhon Phanom.
You can visit this temple and the Wat Phra That Renu Nakhon that has a very similar chedi, located about 20 kilometers North, in one day. For directions and the best way to get there, see Wat Phra That Renu Nakhon.