Average GPS coordinates for O'Halloran Hill Postcode location: -35.067, 138.55. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). O'Halloran Hill on map:

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>> South Australia, 5158 O'Halloran Hill, SA SUBS NEAR 2, GPS coordinates: -35.0667,138.55