| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
|---|
| O'Bil Bil | city | State of Queensland | Australia | -25.5166667 | 151.2166667 | 692 | 65 |
| O'Connell | city | State of New South Wales | Australia | -33.5333333 | 149.7333333 | 2601 | 206 |
| O'Connor | city | State of Western Australia | Australia | -31.95 | 116.1833333 | 715 | 8439 |
| O'Halloran Hill | city | State of South Australia | Australia | -35.0666667 | 138.55 | 495 | 90681 |
| O.B.X. Creek | city | State of New South Wales | Australia | -29.7833333 | 152.7166667 | 643 | 112 |
| Oak Park | city | State of Western Australia | Australia | -31.1666667 | 116.9 | 994 | 69 |
| Oakabella | city | State of Western Australia | Australia | -28.5 | 114.6166667 | 344 | 30 |
| Oakbank | city | State of South Australia | Australia | -34.9833333 | 138.85 | 1000 | 4256 |
| Oakdale | city | State of South Australia | Australia | -33.8166667 | 135.5 | 331 | 19 |
| Oakdale | city | State of New South Wales | Australia | -34.0833333 | 150.5166667 | 872 | 1624 |
| Oakenden | city | State of Queensland | Australia | -21.3 | 149.0166667 | 492 | 563 |
| Oakey | city | State of Queensland | Australia | -27.4333333 | 151.7166667 | 1702 | 689 |
| Oakey Creek | city | State of New South Wales | Australia | -31.6166667 | 149.7 | 1935 | 104 |
| Oakhampton | city | State of New South Wales | Australia | -32.7 | 151.5666667 | 337 | 15324 |
| Oakhurst | city | State of Queensland | Australia | -25.5166667 | 152.6333333 | 36 | 1790 |
| Oakland | city | State of New South Wales | Australia | -35.55 | 146.1666667 | 423 | 107 |
| Oaklands | city | State of South Australia | Australia | -35 | 137.6833333 | 59 | 423 |
| Oaklands | city | State of South Australia | Australia | -35.0166667 | 138.5333333 | 252 | 106172 |
| Oaklands | city | State of New South Wales | Australia | -35.55 | 146.1666667 | 423 | 107 |
| Oakleigh | city | State of Victoria | Australia | -37.9 | 145.1 | 374 | 236516 |
| Oakleigh East | city | State of Victoria | Australia | -37.9 | 145.1166667 | 406 | 236516 |
| Oakleigh North | city | State of Victoria | Australia | -37.8833333 | 145.1166667 | 423 | 236516 |
| Oakleigh South | city | State of Victoria | Australia | -37.9 | 145.1 | 374 | 236516 |
| Oaks | city | State of Tasmania | Australia | -41.5833333 | 146.9666667 | 531 | 295 |
| Oaktree | city | State of Queensland | Australia | -25.85 | 148.65 | 1473 | 19 |
| Oakvale | city | State of Victoria | Australia | -35.9166667 | 143.5666667 | 324 | 331 |
| Oakview | city | State of Queensland | Australia | -26.0833333 | 152.3333333 | 643 | 131 |
| Oakwood | city | State of Tasmania | Australia | -43.1 | 147.9 | 935 | 340 |
| Oakwood | city | State of New South Wales | Australia | -29.65 | 151.05 | 1994 | 187 |
| Oakwood | city | State of Queensland | Australia | -24.8666667 | 152.3 | 39 | 26316 |
| Oaky | city | State of Queensland | Australia | -27.4333333 | 151.7166667 | 1702 | 689 |
| Oatlands | city | State of Tasmania | Australia | -42.3 | 147.3666667 | 1233 | 229 |
| Oatley | city | State of New South Wales | Australia | -33.9833333 | 151.0666667 | 6 | 242833 |
| Oban | city | State of New South Wales | Australia | -30.1333333 | 151.8666667 | 3887 | 126 |
| Oberne | city | State of New South Wales | Australia | -35.4 | 147.8333333 | 1233 | 1407 |
| Oberne Creek | city | State of New South Wales | Australia | -35.4 | 147.8333333 | 1233 | 1407 |
| Oberon | city | State of New South Wales | Australia | -33.7166667 | 149.8666667 | 2906 | 201 |
| Obi Obi | city | State of Queensland | Australia | -26.65 | 152.8 | 921 | 2466 |
| Obley | city | State of New South Wales | Australia | -32.7 | 148.5666667 | 1627 | 359 |
| Ocean Beach | city | State of New South Wales | Australia | -33.5333333 | 151.3166667 | 0 | 12541 |
| Ocean Grove | city | State of Victoria | Australia | -38.2666667 | 144.5333333 | 3 | 6232 |
| Officedale | city | State of Victoria | Australia | -38.0833333 | 145.4166667 | 416 | 7845 |
| Officer | city | State of Victoria | Australia | -38.0666667 | 145.4166667 | 416 | 7845 |
| Ogilvie | city | State of Western Australia | Australia | -28.15 | 114.6333333 | 544 | 33 |
| Ogmore | city | State of Queensland | Australia | -22.6166667 | 149.65 | 131 | 258 |
| Ohio | city | State of New South Wales | Australia | -30.9666667 | 151.6166667 | 3477 | 70 |
| Okuloo | city | State of Queensland | Australia | -21.1333333 | 148.5666667 | 1056 | 215 |
| Oladdie | city | State of South Australia | Australia | -32.5333333 | 138.6833333 | 1604 | 14 |
| Olary | city | State of South Australia | Australia | -32.2833333 | 140.3166667 | 974 | 0 |
| Old Bar | city | State of New South Wales | Australia | -31.9666667 | 152.5833333 | 3 | 982 |
| Old Beach | city | State of Tasmania | Australia | -42.75 | 147.2833333 | 285 | 15490 |
| Old Berlino | city | State of South Australia | Australia | -27.8 | 138.4 | 206 | 0 |
| Old Berlino Homestead | city | State of South Australia | Australia | -27.8 | 138.4 | 206 | 0 |
| Old Bonalbo | city | State of New South Wales | Australia | -28.65 | 152.6 | 961 | 355 |
| Old Bribie | city | State of Queensland | Australia | -27.0447222 | 153.1322222 | 3 | 7612 |
| Old Burren | city | State of New South Wales | Australia | -29.95 | 148.9 | 603 | 47 |
| Old Glenroy | city | State of Queensland | Australia | -20.5333333 | 147.1333333 | 610 | 5 |
| Old Junee | city | State of New South Wales | Australia | -34.8333333 | 147.5333333 | 958 | 355 |
| Old Koreelah | city | State of New South Wales | Australia | -28.4 | 152.4166667 | 1932 | 133 |
| Old Longwood | city | State of Victoria | Australia | -36.8166667 | 145.45 | 646 | 322 |
| Old Mingoola | city | State of Queensland | Australia | -28.9833333 | 151.5166667 | 1571 | 299 |
| Old Napier Downs | city | State of Western Australia | Australia | -17.25 | 124.7333333 | 508 | 5 |
| Old Rothbury | city | State of New South Wales | Australia | -32.75 | 151.3333333 | 498 | 2783 |
| Old Talgai | city | State of Queensland | Australia | -28.0166667 | 151.7666667 | 1624 | 299 |
| Old Tyabb | city | State of Victoria | Australia | -38.3 | 145.1833333 | 3 | 9421 |
| Old Umbum | city | State of South Australia | Australia | -28.4666667 | 136.4 | 324 | 0 |
| Old Umbum Homestead | city | State of South Australia | Australia | -28.4666667 | 136.4 | 324 | 0 |
| Old Umbum Station | city | State of South Australia | Australia | -28.4666667 | 136.4 | 324 | 0 |
| Oldin | city | State of Tasmania | Australia | -41.1 | 145.6833333 | 744 | 201 |
| Oldina | city | State of Tasmania | Australia | -41.1 | 145.6833333 | 744 | 201 |
| Oldina | city | State of Tasmania | Australia | -41.0833333 | 145.6833333 | 613 | 1790 |
| Olinda | city | State of Victoria | Australia | -37.85 | 145.3666667 | 964 | 46959 |
| Olinda | city | State of New South Wales | Australia | -32.8333333 | 150.1333333 | 1804 | 126 |
| Ollera | city | State of New South Wales | Australia | -30.1 | 151.5333333 | 3343 | 126 |
| Oman-Ama | city | State of Queensland | Australia | -28.4 | 151.3 | 1236 | 61 |
| Omeo | city | State of Victoria | Australia | -37.1 | 147.6 | 2424 | 56 |
| Ondit | city | State of Victoria | Australia | -38.25 | 143.6333333 | 508 | 823 |
| One Mile | city | State of Queensland | Australia | -27.6333333 | 152.75 | 351 | 40424 |
| One Tree Hill | city | State of South Australia | Australia | -34.7 | 138.7666667 | 610 | 17081 |
| Ongerup | city | State of Western Australia | Australia | -33.9666667 | 118.4833333 | 948 | 47 |
| Onslow | city | State of Western Australia | Australia | -21.65 | 115.1 | 3 | 5 |
| Oodla Wirra | city | State of South Australia | Australia | -32.8833333 | 139.0666667 | 1322 | 14 |
| Oodnadatta | city | State of South Australia | Australia | -27.55 | 135.4666667 | 456 | 0 |
| Oolbun | city | State of Queensland | Australia | -19.3333333 | 146.9333333 | 190 | 354 |
| Oolong | city | State of New South Wales | Australia | -34.7833333 | 149.1666667 | 1896 | 131 |
| Ooma Creek | city | State of New South Wales | Australia | -33.7166667 | 148.0833333 | 997 | 175 |
| Oonah | city | State of Tasmania | Australia | -41.25 | 145.6166667 | 1177 | 154 |
| Oondooroo | city | State of Queensland | Australia | -22.1666667 | 143.1 | 656 | 5 |
| Oonoobah | city | State of Queensland | Australia | -19.3 | 146.8166667 | 147 | 58599 |
| Oonooie | city | State of Queensland | Australia | -21.4666667 | 149.2333333 | 223 | 892 |
| Oonoonba | city | State of Queensland | Australia | -19.3 | 146.8166667 | 147 | 58599 |
| Oontoo | city | State of Queensland | Australia | -27.65 | 141.0166667 | 150 | 0 |
| Oorindi | city | State of Queensland | Australia | -20.6833333 | 141.0666667 | 869 | 5 |
| Oorundunby | city | State of New South Wales | Australia | -31.2 | 151.6666667 | 3438 | 70 |
| Ootann | city | State of Queensland | Australia | -17.45 | 144.6333333 | 1758 | 47 |
| Ootha | city | State of New South Wales | Australia | -33.1166667 | 147.45 | 1230 | 248 |
| Opalton | city | State of Queensland | Australia | -23.25 | 142.7666667 | 521 | 5 |
| Opalville | city | State of Queensland | Australia | -24.7833333 | 142.7333333 | 629 | 0 |
| Ophir | city | State of New South Wales | Australia | -33.1666667 | 149.2333333 | 1955 | 255 |
| Opossum Bay | city | State of Tasmania | Australia | -43 | 147.4 | 3 | 1798 |
| Ora Banda | city | State of Western Australia | Australia | -30.3666667 | 121.0666667 | 1591 | 42 |
| Orallo | city | State of Queensland | Australia | -26.2666667 | 148.55 | 1624 | 19 |
| Orange | city | State of New South Wales | Australia | -33.2833333 | 149.1 | 2188 | 13172 |
| Orange Grove | city | State of Queensland | Australia | -27.5666667 | 153.0333333 | 183 | 152183 |
| Orbost | city | State of Victoria | Australia | -37.7 | 148.45 | 88 | 75 |
| Orford | city | State of Victoria | Australia | -38.2166667 | 142.1 | 157 | 395 |
| Orford | city | State of Tasmania | Australia | -42.5677778 | 147.8594444 | 108 | 158 |
| Orielton | city | State of Tasmania | Australia | -42.7333333 | 147.5333333 | 334 | 4622 |
| Orkabie | city | State of Queensland | Australia | -21.8166667 | 149.3666667 | 190 | 56 |
| Ormeau | city | State of Queensland | Australia | -27.7833333 | 153.2666667 | 229 | 6088 |
| Ormiston | city | State of Queensland | Australia | -27.5166667 | 153.25 | 3 | 47659 |
| Ormley | city | State of Tasmania | Australia | -41.7166667 | 147.8333333 | 875 | 161 |
| Orroroo | city | State of South Australia | Australia | -32.7333333 | 138.6166667 | 1735 | 84 |
| Orrvale | city | State of Victoria | Australia | -36.4166667 | 145.45 | 416 | 9040 |
| Orton Park | city | State of New South Wales | Australia | -33.4666667 | 149.5666667 | 2624 | 9566 |
| Osborne | city | State of New South Wales | Australia | -35.3666667 | 146.7166667 | 452 | 145 |
| Osbornes Flat | city | State of Victoria | Australia | -36.3166667 | 146.8833333 | 751 | 907 |
| Osborns Flat | city | State of Victoria | Australia | -36.3166667 | 146.8833333 | 751 | 907 |
| Osterley | city | State of Tasmania | Australia | -42.35 | 146.75 | 1161 | 33 |
| Osterly | city | State of Tasmania | Australia | -42.35 | 146.75 | 1161 | 33 |
| Oswald | city | State of Victoria | Australia | -37.4833333 | 143.7833333 | 1692 | 6840 |
| Otford | city | State of New South Wales | Australia | -34.2166667 | 151 | 0 | 12105 |
| Ottaba | city | State of Queensland | Australia | -27.15 | 152.3833333 | 685 | 439 |
| Otway | city | State of Victoria | Australia | -38.6666667 | 143.5 | 1010 | 243 |
| Otway Shire | city | State of Victoria | Australia | -38.6666667 | 143.5 | 1010 | 243 |
| Oura | city | State of New South Wales | Australia | -35.1166667 | 147.5333333 | 744 | 1433 |
| Ourimbah | city | State of New South Wales | Australia | -33.3666667 | 151.4333333 | 3 | 14333 |
| Ournie | city | State of New South Wales | Australia | -35.9333333 | 147.85 | 1696 | 101 |
| Ouse | city | State of Tasmania | Australia | -42.4666667 | 146.7166667 | 495 | 33 |
| Outtrim | city | State of Victoria | Australia | -38.4833333 | 145.7666667 | 449 | 1540 |
| Ouyen | city | State of Victoria | Australia | -35.0666667 | 142.3166667 | 236 | 28 |
| Ovens | city | State of Victoria | Australia | -36.5833333 | 146.7666667 | 990 | 406 |
| Ovens Vale | city | State of Victoria | Australia | -36.5833333 | 146.7666667 | 990 | 406 |
| Overland Corner | city | State of South Australia | Australia | -34.1666667 | 140.3333333 | 85 | 481 |
| Overton | city | State of New South Wales | Australia | -35.5 | 146.2666667 | 354 | 56 |
| Owanyilla | city | State of Queensland | Australia | -25.6666667 | 152.6 | 49 | 244 |
| Owen | city | State of South Australia | Australia | -34.2666667 | 138.55 | 390 | 327 |
| Owens Creek | city | State of Queensland | Australia | -21.0833333 | 148.7166667 | 751 | 442 |
| Owens Gap | city | State of New South Wales | Australia | -32.05 | 150.7 | 1171 | 299 |
| Oxford Park | city | State of Queensland | Australia | -27.4 | 152.9666667 | 249 | 154045 |
| Oxley | city | State of New South Wales | Australia | -34.2 | 144.1 | 223 | 24 |
| Oxley | city | State of Victoria | Australia | -36.45 | 146.3666667 | 498 | 2179 |
| Oxley | city | State of Queensland | Australia | -27.55 | 152.9833333 | 144 | 124162 |
| Oxley Island | city | State of New South Wales | Australia | -31.9166667 | 152.5666667 | 167 | 1297 |
| Oyster Bay | city | State of New South Wales | Australia | -34 | 151.0666667 | 3 | 123523 |
| Ozenkadnook | city | State of Victoria | Australia | -36.85 | 141.3333333 | 495 | 61 |
| OʼBil Bil | city | State of Queensland | Australia | -25.5166667 | 151.2166667 | 692 | 65 |
| OʼConnell | city | State of New South Wales | Australia | -33.5333333 | 149.7333333 | 2601 | 206 |
| OʼConnor | city | State of Western Australia | Australia | -31.95 | 116.1833333 | 715 | 8439 |
| OʼHalloran Hill | city | State of South Australia | Australia | -35.0666667 | 138.55 | 495 | 90681 |