| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Oddsflot | city | Vestfirdhir | Iceland | 66.24 | -22.86 | 177 | 0 |
| Ofeigsfjordhur | city | Vestfirdhir | Iceland | 66.05 | -21.71 | 269 | 8 |
| Ogur | city | Vestfirdhir | Iceland | 66.03 | -22.71 | 830 | 0 |
| Os | city | Vestfirdhir | Iceland | 66.15 | -23.22 | 1669 | 435 |
| Otrardalur | city | Vestfirdhir | Iceland | 65.67 | -23.57 | 0 | 138 |