Nafarroa
Nombre | Altitud | Zona | Ph. | |
|---|---|---|---|---|
 | Odieta | 1062 | 9 | |
| Ogal | 952 | 8 | |
| Oiakarizketa | 987 | 16 | |
| Oianmuga | 1149 | 11 | |
| Oiarbide | 1191 | 12 | |
| Oiartzabal | 1003 | 8 | |
| Oiezki | 823 | 7 | |
| Oihanberri | 817 | 3 | |
| Oihanburu | 875 | 2 | |
| Okabio | 864 | 14 | |
| Okoro | 1259 | 41 | |
| Olagaina | 1069 | 6 | |
| Olataguas | 1035 | 7 | |
| Olate | 934 | 29 | |
| Olatz | 884 | 14 | |
| Olbidea | 1141 | 10 | |
| Olderitz | 1172 | 8 | |
| Olejua | 699 | 3 | |
| Olkotz | 700 | 5 | |
| Ollaran | 682 | 6 | |
| Ollaran | 784 | 7 | |
| Ollargain | 701 | 9 | |
| Olotoki | 1280 | 19 | |
| Ontzanburu | 1282 | 17 | |
| Orbaitzetako munizio errege fabrika | 820 | 24 | |
| Oregigaña | 1238 | 17 | |
| Orhi | 2017 | 74 | |
| Oritz | 556 | 4 | |
| Orlagatu | 1136 | 19 | |
| Orobeko Haitza | 846 | 21 |
