| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Okia | city | Eastern Province | Kenya | -1.77 | 37.50 | 4078 | 24331 |
| Oldonyo Farm | city | Eastern Province | Kenya | 0.10 | 37.28 | 7709 | 10632 |
| Oltulili | city | Eastern Province | Kenya | 0.02 | 37.17 | 7171 | 10790 |
| Ontulili | city | Eastern Province | Kenya | 0.02 | 37.17 | 7171 | 10790 |