Subspecies oldfieldii is a common widespread eremophila which grows in clay, loam or calcareous sand between Wongan Hills and Shark Bay in the Avon Wheatbelt, Carnarvon, Coolgardie, Geraldton Sandplains, Murchison and Yalgoo biogeographic regions.
Subspecies oldfieldii is a typical, far-reaching Eremophila species that thrives in clay, loam, or sandy soil between Wongan Hills and Shark Bay in the Avon Wheatbelt, Carnarvon, Coolgardie, Geraldton Sandplains, Murchison, and Yalgoo biogeographic areas.