| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Ola | city | Aragon | Spain | 42.11 | -0.30 | 1669 | 1673 |
| Olabarri | city | Euskadi | Spain | 43.16 | -2.78 | 403 | 8996 |
| Olabarri / Ollávarre | city | Euskadi | Spain | 42.82 | -2.84 | 1669 | 3728 |
| Olabarrieta | city | Euskadi | Spain | 43.03 | -2.39 | 1076 | 13885 |
| Olabarrieta / Labarrieta | city | Euskadi | Spain | 43.26 | -3.19 | 1669 | 6001 |
| Olabarrietagoikoa | city | Euskadi | Spain | 43.26 | -3.20 | 830 | 5165 |
| Olabarrietagoikoa / Las Barrietas Altas | city | Euskadi | Spain | 43.26 | -3.20 | 830 | 5165 |
| Olabazar | city | Euskadi | Spain | 43.07 | -3.01 | 830 | 6979 |
| Olabe | city | Euskadi | Spain | 43.37 | -2.58 | 830 | 1919 |
| Olaberría | city | Euskadi | Spain | 43.03 | -2.20 | 935 | 27202 |
| Olabezahar | city | Euskadi | Spain | 43.07 | -3.01 | 830 | 6979 |
| Olabezar | city | Euskadi | Spain | 43.07 | -3.01 | 830 | 6979 |
| Olacueta | city | Euskadi | Spain | 43.17 | -2.58 | 846 | 24617 |
| Olaeta | city | Euskadi | Spain | 43.05 | -2.63 | 2093 | 2319 |
| Olagorta | city | Euskadi | Spain | 43.37 | -2.61 | 377 | 3045 |
| Olague | city | Navarra | Spain | 42.96 | -1.62 | 2509 | 885 |
| Olakueta | city | Euskadi | Spain | 43.17 | -2.58 | 846 | 24617 |
| Olalla | city | Aragon | Spain | 40.97 | -1.16 | 4189 | 1071 |
| Olano | city | Euskadi | Spain | 43.06 | -2.10 | 830 | 5916 |
| Olapra | city | Andalucia | Spain | 37.22 | -2.50 | 6249 | 387 |
| Olarra | city | Euskadi | Spain | 43.15 | -2.79 | 830 | 7257 |
| Olas | city | Galicia | Spain | 43.10 | -8.30 | 1249 | 4493 |
| Olatz | city | Navarra | Spain | 42.82 | -1.59 | 1669 | 109711 |
| Olatz Nagusia | city | Navarra | Spain | 42.71 | -1.66 | 1742 | 5687 |
| Olatz Txipia | city | Navarra | Spain | 42.82 | -1.59 | 1669 | 109711 |
| Olatz-Subitza | city | Navarra | Spain | 42.71 | -1.66 | 1742 | 5687 |
| Olavarri | city | Euskadi | Spain | 43.16 | -2.78 | 403 | 8996 |
| Olave | city | Euskadi | Spain | 43.17 | -2.57 | 830 | 21732 |
| Olave | city | Navarra | Spain | 42.88 | -1.60 | 2509 | 18608 |
| Olaz | city | Navarra | Spain | 42.82 | -1.59 | 1669 | 109711 |
| Olaz-Subiza | city | Navarra | Spain | 42.71 | -1.66 | 1742 | 5687 |
| Olazabal | city | Euskadi | Spain | 43.11 | -2.60 | 905 | 15298 |
| Olazagutia | city | Navarra | Spain | 42.88 | -2.20 | 2080 | 8151 |
| Olazti | city | Navarra | Spain | 42.88 | -2.20 | 2080 | 8151 |
| Olazti/Olazagutía | city | Navarra | Spain | 42.88 | -2.20 | 2080 | 8151 |
| Olazábal | city | Euskadi | Spain | 43.14 | -2.76 | 830 | 6058 |
| Olba | city | Aragon | Spain | 40.13 | -0.62 | 2509 | 502 |
| Olbán | city | Cataluna | Spain | 42.07 | 1.90 | 1843 | 11301 |
| Olcoz | city | Navarra | Spain | 42.67 | -1.68 | 1827 | 1544 |
| Olea | city | Cantabria | Spain | 42.94 | -4.18 | 3349 | 1838 |
| Olea de Boedo | city | Castilla y Leon | Spain | 42.61 | -4.45 | 3349 | 458 |
| Oleiros | city | Galicia | Spain | 43.33 | -8.32 | 291 | 42799 |
| Oleiros | city | Galicia | Spain | 43.25 | -7.62 | 1669 | 4891 |
| Oleiros | city | Galicia | Spain | 42.93 | -7.97 | 1899 | 3964 |
| Oleiros | city | Galicia | Spain | 42.85 | -7.40 | 1669 | 4214 |
| Oleiros | city | Galicia | Spain | 42.65 | -8.22 | 1669 | 4700 |
| Oleiros | city | Galicia | Spain | 42.60 | -9.00 | 830 | 26715 |
| Oleiros | city | Galicia | Spain | 42.08 | -8.47 | 111 | 14426 |
| Oleiros (Santa María) | city | Galicia | Spain | 42.08 | -8.47 | 111 | 14426 |
| Olejua | city | Navarra | Spain | 42.62 | -2.14 | 2509 | 1503 |
| Oleo | city | Castilla y Leon | Spain | 43.00 | -3.32 | 2549 | 1177 |
| Oles | city | Asturias | Spain | 43.53 | -5.43 | 830 | 4388 |
| Olesa | city | Cataluna | Spain | 41.54 | 1.89 | 246 | 52961 |
| Olesa de Bonesvall | city | Cataluna | Spain | 41.35 | 1.85 | 1115 | 6783 |
| Olesa de Bonesvalls | city | Cataluna | Spain | 41.35 | 1.85 | 1115 | 6783 |
| Olesa de Montserrat | city | Cataluna | Spain | 41.54 | 1.89 | 246 | 52961 |
| Oliana | city | Cataluna | Spain | 42.07 | 1.31 | 2073 | 1728 |
| Oliar | city | Andalucia | Spain | 36.83 | -3.37 | 2919 | 2557 |
| Olias | city | Andalucia | Spain | 36.83 | -3.37 | 2919 | 2557 |
| Olias del Rey | city | Castilla-La Mancha | Spain | 39.95 | -3.99 | 1876 | 11052 |
| Olibán | city | Aragon | Spain | 42.58 | -0.30 | 3375 | 2141 |
| Olicio | city | Asturias | Spain | 43.38 | -5.12 | 830 | 4898 |
| Oliete | city | Aragon | Spain | 41.00 | -0.67 | 1778 | 467 |
| Oligicus | city | Navarra | Spain | 42.48 | -1.65 | 1197 | 8820 |
| Oligitum | city | Navarra | Spain | 42.48 | -1.65 | 1197 | 8820 |
| Oliola | city | Cataluna | Spain | 41.88 | 1.18 | 1669 | 2037 |
| Olit | city | Navarra | Spain | 42.48 | -1.65 | 1197 | 8820 |
| Olite | city | Navarra | Spain | 42.48 | -1.65 | 1197 | 8820 |
| Olite/Erriberri | city | Navarra | Spain | 42.48 | -1.65 | 1197 | 8820 |
| Oliva | city | Extremadura | Spain | 40.11 | -6.09 | 1128 | 2738 |
| Oliva | city | Comunitat Valenciana | Spain | 38.92 | -0.12 | 32 | 31235 |
| Oliva | city | Canarias | Spain | 28.61 | -13.93 | 885 | 3331 |
| Oliva de Frontera | city | Extremadura | Spain | 38.28 | -6.92 | 1230 | 2375 |
| Oliva de Jerez | city | Extremadura | Spain | 38.28 | -6.92 | 1230 | 2375 |
| Oliva de Mérida | city | Extremadura | Spain | 38.79 | -6.12 | 1164 | 1480 |
| Oliva de Plasencia | city | Extremadura | Spain | 40.11 | -6.09 | 1128 | 2738 |
| Oliva de la Frontera | city | Extremadura | Spain | 38.28 | -6.92 | 1230 | 2375 |
| Olivan | city | Aragon | Spain | 42.58 | -0.30 | 3375 | 2141 |
| Olivan | city | La Rioja | Spain | 42.23 | -2.31 | 3349 | 232 |
| Olivar | city | Andalucia | Spain | 37.54 | -2.96 | 2509 | 1753 |
| Olivares | city | Castilla-La Mancha | Spain | 39.76 | -2.36 | 2910 | 899 |
| Olivares | city | Andalucia | Spain | 37.52 | -3.18 | 3349 | 975 |
| Olivares | city | Andalucia | Spain | 37.42 | -6.16 | 830 | 25696 |
| Olivares de Duero | city | Castilla y Leon | Spain | 41.64 | -4.37 | 2509 | 1337 |
| Olivares de Júcar | city | Castilla-La Mancha | Spain | 39.76 | -2.36 | 2910 | 899 |
| Oliveira | city | Galicia | Spain | 42.93 | -9.20 | 134 | 7418 |
| Oliveira | city | Galicia | Spain | 42.18 | -8.48 | 311 | 11861 |
| Oliveira | city | Galicia | Spain | 42.18 | -8.45 | 885 | 8884 |
| Oliveira | city | Galicia | Spain | 42.15 | -8.48 | 364 | 10712 |
| Olivella | city | Cataluna | Spain | 41.32 | 1.82 | 1040 | 9437 |
| Olivenza | city | Extremadura | Spain | 38.68 | -7.10 | 856 | 4985 |
| Olivenza - Olivença | city | Extremadura | Spain | 38.68 | -7.10 | 856 | 4985 |
| Olives | city | Galicia | Spain | 42.68 | -8.38 | 2509 | 1993 |
| Olivilla | city | Andalucia | Spain | 38.02 | -3.18 | 1669 | 4930 |
| Olkotz | city | Navarra | Spain | 42.67 | -1.68 | 1827 | 1544 |
| Ollaran | city | Navarra | Spain | 42.87 | -1.86 | 1692 | 1010 |
| Ollares | city | Galicia | Spain | 42.82 | -8.23 | 1669 | 3988 |
| Ollauri | city | La Rioja | Spain | 42.54 | -2.83 | 1669 | 8614 |
| Olleria | city | Comunitat Valenciana | Spain | 38.91 | -0.55 | 830 | 23488 |
| Olleros | city | Castilla y Leon | Spain | 41.98 | -6.10 | 2509 | 1286 |
| Olleros | city | Galicia | Spain | 42.47 | -7.73 | 971 | 2428 |
| Olleros | city | Castilla y Leon | Spain | 40.79 | -6.07 | 2765 | 489 |
| Olleros de Alba | city | Castilla y Leon | Spain | 42.80 | -5.70 | 3576 | 2866 |
| Olleros de Paredes Rubias | city | Castilla y Leon | Spain | 42.78 | -4.01 | 2572 | 296 |
| Olleros de Pisuerga | city | Castilla y Leon | Spain | 42.74 | -4.29 | 3349 | 2344 |
| Olleros de Sabero | city | Castilla y Leon | Spain | 42.83 | -5.18 | 3648 | 2376 |
| Olleros de Tera | city | Castilla y Leon | Spain | 41.98 | -6.10 | 2509 | 1286 |
| Olles | city | Cataluna | Spain | 42.15 | 2.83 | 830 | 5616 |
| Olles | city | Cataluna | Spain | 41.43 | 1.22 | 1669 | 2766 |
| Olleta | city | Navarra | Spain | 42.59 | -1.54 | 2509 | 137 |
| Ollo | city | Navarra | Spain | 42.87 | -1.86 | 1692 | 1010 |
| Ollobarren | city | Navarra | Spain | 42.69 | -2.13 | 1669 | 1229 |
| Ollogoyen | city | Navarra | Spain | 42.69 | -2.15 | 1830 | 1049 |
| Olloibar | city | Navarra | Spain | 42.87 | -1.86 | 1692 | 1010 |
| Olloniego | city | Asturias | Spain | 43.30 | -5.82 | 830 | 63721 |
| Ollora | city | La Rioja | Spain | 42.33 | -2.90 | 3349 | 785 |
| Ollávarre | city | Euskadi | Spain | 42.82 | -2.84 | 1669 | 3728 |
| Ollávarre/Olabarri | city | Euskadi | Spain | 42.82 | -2.84 | 1669 | 3728 |
| Olmeda de Cobeta | city | Castilla-La Mancha | Spain | 40.86 | -2.18 | 3628 | 184 |
| Olmeda de la Cuesta | city | Castilla-La Mancha | Spain | 40.31 | -2.48 | 2883 | 363 |
| Olmeda del Extremo | city | Castilla-La Mancha | Spain | 40.77 | -2.74 | 3349 | 524 |
| Olmeda del Rey | city | Castilla-La Mancha | Spain | 39.80 | -2.08 | 3349 | 555 |
| Olmedilla | city | Castilla y Leon | Spain | 40.77 | -5.86 | 3349 | 633 |
| Olmedilla de Alarcón | city | Castilla-La Mancha | Spain | 39.62 | -2.10 | 2775 | 425 |
| Olmedilla de Arcas | city | Castilla-La Mancha | Spain | 39.98 | -2.15 | 3349 | 2935 |
| Olmedilla de Eliz | city | Castilla-La Mancha | Spain | 40.30 | -2.42 | 2874 | 303 |
| Olmedilla del Campo | city | Castilla-La Mancha | Spain | 40.06 | -2.69 | 3349 | 467 |
| Olmedillas | city | Castilla-La Mancha | Spain | 41.17 | -2.58 | 4189 | 603 |
| Olmedillo de Roa | city | Castilla y Leon | Spain | 41.78 | -3.93 | 2693 | 818 |
| Olmedo | city | Castilla y Leon | Spain | 41.29 | -4.69 | 2509 | 1672 |
| Olmedo de Camaces | city | Castilla y Leon | Spain | 40.88 | -6.62 | 2509 | 497 |
| Olmillo | city | Castilla y Leon | Spain | 41.32 | -3.69 | 3349 | 722 |
| Olmillos | city | Castilla y Leon | Spain | 41.53 | -3.16 | 2933 | 910 |
| Olmillos de Castro | city | Castilla y Leon | Spain | 41.73 | -5.97 | 2509 | 641 |
| Olmillos de Muno | city | Castilla y Leon | Spain | 42.20 | -3.94 | 2637 | 819 |
| Olmillos de Sasamon | city | Castilla y Leon | Spain | 42.40 | -4.03 | 2723 | 1114 |
| Olmillos de Valverde | city | Castilla y Leon | Spain | 41.91 | -5.76 | 2509 | 1735 |
| Olmo de la Guareña | city | Castilla y Leon | Spain | 41.16 | -5.31 | 2509 | 1027 |
| Olmos | city | Galicia | Spain | 42.88 | -6.93 | 2509 | 745 |
| Olmos de Atapuerca | city | Castilla y Leon | Spain | 42.39 | -3.53 | 3349 | 1130 |
| Olmos de Esgueva | city | Castilla y Leon | Spain | 41.69 | -4.52 | 2509 | 579 |
| Olmos de Ojeda | city | Castilla y Leon | Spain | 42.72 | -4.42 | 3349 | 705 |
| Olmos de Penafiel | city | Castilla y Leon | Spain | 41.57 | -4.04 | 2631 | 2129 |
| Olmos de Pisuerga | city | Castilla y Leon | Spain | 42.48 | -4.27 | 2611 | 1605 |
| Olmos de la Picaza | city | Castilla y Leon | Spain | 42.48 | -4.03 | 2696 | 672 |
| Olmosalbos | city | Castilla y Leon | Spain | 42.24 | -3.67 | 2893 | 2396 |
| Olocau | city | Comunitat Valenciana | Spain | 39.70 | -0.53 | 1128 | 3314 |
| Olocau del Rei | city | Comunitat Valenciana | Spain | 40.64 | -0.34 | 3599 | 354 |
| Olocau del Rey | city | Comunitat Valenciana | Spain | 40.64 | -0.34 | 3599 | 354 |
| Olombrada | city | Castilla y Leon | Spain | 41.41 | -4.16 | 2824 | 1126 |
| Olopte | city | Cataluna | Spain | 42.39 | 1.81 | 3477 | 1353 |
| Oloritz | city | Navarra | Spain | 42.64 | -1.61 | 1935 | 923 |
| Olost | city | Cataluna | Spain | 41.99 | 2.09 | 1870 | 2284 |
| Olot | city | Cataluna | Spain | 42.18 | 2.48 | 1669 | 34563 |
| Olp | city | Cataluna | Spain | 42.43 | 1.11 | 2509 | 1255 |
| Olquina | city | Euskadi | Spain | 43.28 | -2.23 | 347 | 21396 |
| Olson | city | Aragon | Spain | 42.27 | 0.13 | 2509 | 415 |
| Oltza | city | Navarra | Spain | 42.85 | -1.78 | 1669 | 2141 |
| Olujas | city | Cataluna | Spain | 41.70 | 1.32 | 1712 | 5530 |
| Olula | city | Andalucia | Spain | 37.35 | -2.29 | 1830 | 14310 |
| Olula | city | Andalucia | Spain | 37.17 | -2.47 | 3349 | 489 |
| Olula de Castro | city | Andalucia | Spain | 37.17 | -2.47 | 3349 | 489 |
| Olula del Río | city | Andalucia | Spain | 37.35 | -2.29 | 1830 | 14310 |
| Olvan | city | Cataluna | Spain | 42.07 | 1.90 | 1843 | 11301 |
| Olveda | city | Galicia | Spain | 42.73 | -7.83 | 1961 | 2620 |
| Olvega | city | Castilla y Leon | Spain | 41.78 | -1.98 | 3431 | 2426 |
| Olveira | city | Galicia | Spain | 42.99 | -9.03 | 866 | 2736 |
| Olveira | city | Galicia | Spain | 42.60 | -9.04 | 144 | 19251 |
| Olveiroa | city | Galicia | Spain | 42.97 | -9.04 | 869 | 2519 |
| Olvena | city | Aragon | Spain | 40.10 | 0.27 | 0 | 0 |
| Olvera | city | Andalucia | Spain | 36.93 | -5.27 | 1669 | 8629 |
| Olves | city | Aragon | Spain | 41.24 | -1.65 | 2604 | 1093 |
| Olza | city | Navarra | Spain | 42.85 | -1.78 | 1669 | 2141 |
| Olzinellas | city | Cataluna | Spain | 41.66 | 2.51 | 961 | 15818 |
| Olziniellas | city | Cataluna | Spain | 41.66 | 2.51 | 961 | 15818 |
| Olás de Vilariño | city | Galicia | Spain | 42.19 | -7.90 | 1889 | 5166 |
| Olás de Villariño | city | Galicia | Spain | 42.19 | -7.90 | 1889 | 5166 |
| Olías | city | Andalucia | Spain | 36.77 | -4.32 | 830 | 88497 |
| Olíus | city | Cataluna | Spain | 42.01 | 1.56 | 1853 | 5245 |
| Olóriz | city | Navarra | Spain | 42.64 | -1.61 | 1935 | 923 |
| Olóriz/Oloritz | city | Navarra | Spain | 42.64 | -1.61 | 1935 | 923 |