| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Onalaska | city | Texas | United States | 30.81 | -95.12 | 147 | |
| One River Place Colonia | city | Texas | United States | 27.40 | -99.48 | 400 | |
| Onion Creek | city | Texas | United States | 32.22 | -96.62 | 377 | |
| Onion Creek | city | Texas | United States | 30.14 | -97.78 | 830 | |
| Onion Spring | city | Texas | United States | 29.40 | -103.33 | 3405 |