| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
|---|
| Ott Town | city | Pennsylvania | United States | 39.97806 | -78.44667 | 1197 | 2332 |
| Ottawa | city | Pennsylvania | United States | 41.08167 | -76.70389 | 597 | 3083 |
| Otterbein | city | Pennsylvania | United States | 40.12028 | -77.60139 | 600 | 3978 |
| Otto | city | Pennsylvania | United States | 40.33667 | -79.88833 | 925 | 121176 |
| Otto | city | Pennsylvania | United States | 40.71889 | -76.79806 | 498 | 3237 |
| Ottsville | city | Pennsylvania | United States | 40.47306 | -75.16139 | 347 | 6782 |
|
|