| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Once | city | Buenos Aires | Argentina | -34.60 | -58.42 | 65 | 1182216 |
| Once | city | Wallonie | Belgium | 50.77 | 5.58 | 387 | 23017 |
| Once | city | Manica | Mozambique | -20.58 | 32.73 | 1669 | 5041 |
| Once | city | Quezon | Philippines | 14.60 | 121.03 | 98 | 1040311 |
| Once Casas | city | Quindio | Colombia | 4.51 | -75.81 | 4189 | 69383 |
| Once Hermanos | city | Mayabeque | Cuba | 22.83 | -82.38 | 154 | 15050 |
| Once Lomas | city | Nuevo Leon | Mexico | 26.00 | -99.35 | 830 | 423 |
| Once Por Ciento | city | Santa Cruz | Bolivia | -17.83 | -63.16 | 1669 | 183593 |
| Once Pueblos | city | Jalisco | Mexico | 19.76 | -103.03 | 5285 | 2108 |
| Once Recetas | city | Cesar | Colombia | 8.12 | -73.57 | 360 | 3823 |
| Once Reses | city | Cesar | Colombia | 9.90 | -73.73 | 324 | 4533 |
| Once Reses | city | Cesar | Colombia | 8.12 | -73.57 | 360 | 3823 |
| Once de Abril | city | Chiapas | Mexico | 15.05 | -92.14 | 2575 | 26431 |
| Once de Febrero | city | Tabasco | Mexico | 18.10 | -93.33 | 32 | 18849 |
| Once de Febrero | city | Nuevo Leon | Mexico | 26.01 | -99.41 | 830 | 306 |
| Once de Febrero Primera Seccion | city | Tabasco | Mexico | 18.10 | -93.33 | 32 | 18849 |
| Once de Febrero Segunda Seccion | city | Tabasco | Mexico | 18.06 | -93.33 | 45 | 19123 |
| Once de Julio | city | Chiapas | Mexico | 17.20 | -91.52 | 830 | 2437 |
| Once de Junio | city | Guanajuato | Mexico | 21.17 | -101.64 | 6197 | 146637 |
| Once de Marzo | city | Chiapas | Mexico | 15.28 | -92.70 | 206 | 10327 |
| Once de Mayo | city | Campeche | Mexico | 18.09 | -89.46 | 853 | 1043 |
| Once de Mayo (Rancho Escondido) | city | Nuevo Leon | Mexico | 26.41 | -100.39 | 1669 | 174 |
| Once de Noviembre | city | Cotopaxi | Ecuador | -0.91 | -78.67 | 9265 | 34660 |
| Once de Octubre | city | El Beni | Bolivia | -12.70 | -64.03 | 830 | 0 |
| Once de Octubre | city | Colon | Panama | 9.37 | -79.84 | 45 | 36228 |
| Once de Septiembre | city | Chiapas | Mexico | 14.88 | -92.26 | 830 | 36844 |
| Once de Septiembre Segunda Sección | city | Chiapas | Mexico | 14.89 | -92.26 | 387 | 37059 |
| Oncebi | city | Los Rios | Ecuador | -1.40 | -79.32 | 2509 | 7052 |
| Oncebreros | city | Castilla-La Mancha | Spain | 38.96 | -1.50 | 3349 | 576 |
| Oncebreros | city | Castilla-La Mancha | Spain | 38.93 | -2.14 | 2509 | 1425 |
| Oncedis | city | Friuli-Venezia Giulia | Italy | 46.31 | 13.05 | 830 | 3212 |
| Onceena | city | Huancavelica | Peru | -12.50 | -74.53 | 9228 | 3568 |
| Onceran | city | Jawa Timur | Indonesia | -7.89 | 113.13 | 830 | 57176 |
| Oncesti | city | Maramures | Romania | 47.85 | 23.98 | 967 | 9610 |
| Oncesti | city | Dambovita | Romania | 45.10 | 25.20 | 1669 | 8673 |
| Oncesti | city | Giurgiu | Romania | 43.95 | 25.88 | 183 | 3247 |
| Oncesti Noui | city | Bacau | Romania | 46.47 | 27.25 | 830 | 3330 |
| Oncevi | city | Los Rios | Ecuador | -1.40 | -79.32 | 2509 | 7052 |
| Onceşti | city | Bacau | Romania | 46.47 | 27.25 | 830 | 3330 |
| Onceşti | city | Alba | Romania | 46.30 | 23.42 | 2627 | 1046 |
| Onceşti | city | Arges | Romania | 44.77 | 24.60 | 1128 | 4324 |
| Onceşti Vechi | city | Bacau | Romania | 46.45 | 27.25 | 830 | 3274 |
| Onceştii Noi | city | Bacau | Romania | 46.47 | 27.25 | 830 | 3330 |
| Onceştii Vechi | city | Bacau | Romania | 46.45 | 27.25 | 830 | 3274 |