| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Opdyke | city | Texas | United States | 33.59 | -102.28 | 3418 | |
| Opdyke West | city | Texas | United States | 33.59 | -102.30 | 3444 | |
| Opelika | city | Texas | United States | 32.30 | -95.67 | 396 | |
| Oplin | city | Texas | United States | 32.14 | -99.56 | 1994 |