| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
|---|
| Obelisk | city | Pennsylvania | United States | 40.28806 | -75.51167 | 278 | 16831 |
| Oberlin | city | Pennsylvania | United States | 40.24139 | -76.815 | 498 | 69049 |
| Oberlin Gardens | city | Pennsylvania | United States | 40.24361 | -76.82278 | 498 | 69049 |
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