| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Orlygsstadhasel | city | Iceland | 65.95 | -20.32 | 288 | 5 | |
| Orlygsstadhir | city | Iceland | 65.92 | -20.35 | 62 | 0 | |
| Orlygsstadir | city | Iceland | 65.92 | -20.35 | 62 | 0 | |
| Orrastadhir | city | Iceland | 65.57 | -20.18 | 465 | 0 | |
| Orrastaðir | city | Iceland | 65.57 | -20.18 | 465 | 0 | |
| Os | city | Iceland | 66.03 | -20.43 | 0 | 0 | |
| Oxl | city | Iceland | 65.53 | -20.33 | 669 | 0 |