| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Ont'al-lodongjagu | city | Hambuk | Korea, Dem. Peoples Rep. of (North) | 42.94 | 129.97 | 393 | 16899 |
| Ont'am-ni | city | Chungnam | Korea, Republic of (South) | 36.35 | 126.77 | 830 | 8534 |
| Ont'an-nodongjagu | city | Hambuk | Korea, Dem. Peoples Rep. of (North) | 42.94 | 129.97 | 393 | 16899 |
| Onta | city | Madhya Pradesh | India | 24.74 | 79.81 | 964 | 14155 |
| Ontabi | city | Plateaux | Congo | -2.43 | 16.13 | 941 | 342 |
| Ontabin | city | Mon State | Burma | 16.65 | 97.54 | 39 | 38889 |
| Ontabu | city | Mandalay | Burma | 22.93 | 96.09 | 1040 | 2980 |
| Ontabura | city | Eastern Highlands | Papua New Guinea | -6.33 | 145.85 | 5314 | 26867 |
| Ontagnano | city | Friuli-Venezia Giulia | Italy | 45.90 | 13.28 | 52 | 16248 |
| Ontagota | city | Sonora | Mexico | 27.46 | -110.06 | 101 | 29397 |
| Ontagota | city | Sonora | Mexico | 27.47 | -110.07 | 101 | 22506 |
| Ontaishin | city | Hambuk | Korea, Dem. Peoples Rep. of (North) | 41.57 | 129.66 | 0 | 4220 |
| Ontajärvi | city | Kareliya | Russia | 64.00 | 35.08 | 226 | 99 |
| Ontake | city | Nagano | Japan | 35.80 | 137.55 | 3349 | 785 |
| Ontako | city | Katanga | Congo (Dem. Republic of The)-(Zaire) | -2.88 | 22.55 | 1669 | 298 |
| Ontala | city | Varsinais-Suomi | Finland | 60.29 | 22.17 | 55 | 1394 |
| Ontalang | city | Shan State | Burma | 22.86 | 96.91 | 4189 | 3587 |
| Ontalba | city | Castilla-La Mancha | Spain | 40.08 | -3.81 | 1745 | 11607 |
| Ontalbilla de Valcorba | city | Castilla y Leon | Spain | 41.76 | -2.37 | 3441 | 1856 |
| Ontalgumma | city | Andhra Pradesh | India | 18.14 | 82.64 | 3349 | 17275 |
| Ontalput | city | Odisha | India | 18.51 | 82.42 | 2864 | 11073 |
| Ontalputtu | city | Odisha | India | 18.69 | 82.81 | 3349 | 23951 |
| Ontalvilla de Valcorba | city | Castilla y Leon | Spain | 41.76 | -2.37 | 3441 | 1856 |
| Ontalāyi | city | Andhra Pradesh | India | 18.01 | 82.62 | 4189 | 11715 |
| Ontalėiptė | city | Zarasai | Lithuania | 55.66 | 25.87 | 830 | 31 |
| Ontambo | city | Pangasinan | Philippines | 16.08 | 120.42 | 101 | 140235 |
| Ontamiri | city | Andhra Pradesh | India | 17.75 | 82.18 | 2509 | 7008 |
| Ontananga | city | Oshikoto | Namibia | -18.02 | 16.07 | 3576 | 1621 |
| Ontaneda | city | Pichincha | Ecuador | -0.30 | -78.50 | 8572 | 311110 |
| Ontaneda | city | Cantabria | Spain | 43.20 | -3.92 | 830 | 1392 |
| Ontani | city | Shimane | Japan | 35.13 | 132.78 | 1968 | 3145 |
| Ontanon | city | Imbabura | Ecuador | 0.33 | -78.22 | 8389 | 42999 |
| Ontapādu | city | Andhra Pradesh | India | 18.04 | 82.37 | 2831 | 12619 |
| Ontar | city | Torba | Vanuatu | -14.30 | 167.42 | 416 | 703 |
| Ontar | city | Castilla-La Mancha | Spain | 38.62 | -1.50 | 2509 | 3366 |
| Ontarda | city | Andhra Pradesh | India | 18.27 | 82.78 | 3526 | 14557 |
| Ontario | city | Araucania | Chile | -38.26 | -72.11 | 1778 | 636 |
| Ontario | city | Matanzas | Cuba | 22.92 | -81.32 | 282 | 3437 |
| Ontario | city | Junin | Peru | -11.28 | -74.43 | 2509 | 750 |
| Ontario | city | Free State | South Africa | -27.29 | 26.73 | 4265 | 756 |
| Ontario | city | North West | South Africa | -25.94 | 23.15 | 3369 | 0 |
| Ontario | city | Illinois | United States | 41.08 | -90.31 | 830 | |
| Ontario | city | Indiana | United States | 41.70 | -85.38 | 895 | |
| Ontario | city | Iowa | United States | 42.04 | -93.68 | 997 | |
| Ontario | city | Kansas | United States | 39.57 | -95.88 | 1164 | |
| Ontario | city | New York | United States | 43.22 | -77.28 | 830 | |
| Ontario | city | Ohio | United States | 40.76 | -82.59 | 1669 | |
| Ontario | city | Oregon | United States | 44.03 | -116.96 | 2509 | |
| Ontario | city | Pennsylvania | United States | 40.10 | -80.07 | 1095 | |
| Ontario | city | Utah | United States | 40.75 | -111.90 | 4284 | |
| Ontario | city | Virginia | United States | 36.99 | -78.49 | 830 | |
| Ontario | city | Wisconsin | United States | 43.73 | -90.59 | 882 | |
| Ontario | city | California | United States | 34.06 | -117.65 | 990 | |
| Ontario Beach | city | New York | United States | 43.26 | -77.61 | 262 | |
| Ontario Center | city | New York | United States | 43.23 | -77.31 | 830 | |
| Ontario Heights | city | Oregon | United States | 44.07 | -117.02 | 2509 | |
| Ontario Place Mobile Home Park | city | Michigan | United States | 41.77 | -86.23 | 830 | |
| Ontario Village | city | Cayo | Belize | 17.22 | -88.89 | 249 | 596 |
| Ontario on the Lake | city | New York | United States | 43.28 | -77.35 | 298 | |
| Ontarioville | city | Illinois | United States | 41.99 | -88.15 | 830 | |
| Ontarpalle | city | Andhra Pradesh | India | 18.07 | 82.70 | 3457 | 18866 |
| Ontas | city | Murmanskaya Oblast' | Russia | 68.55 | 28.88 | 830 | 149 |
| Ontas | city | Murmanskaya Oblast' | Russia | 68.43 | 28.80 | 830 | 149 |
| Ontave | city | Puno | Peru | -16.50 | -69.65 | 13428 | 298 |
| Ontave Hacienda | city | Puno | Peru | -16.50 | -69.65 | 13428 | 298 |
| Ontbemend | city | KwaZulu-Natal | South Africa | -28.24 | 30.39 | 4589 | 352 |
| Ontchouandjoko | city | Cuvette-Ouest | Congo | 0.07 | 14.23 | 1909 | 447 |
| Ontchouo | city | Lekoumou | Congo | -2.67 | 13.38 | 1994 | 447 |
| Ontchouo | city | Plateaux | Congo | -2.66 | 15.37 | 2007 | 149 |
| Ontchouomo | city | Cuvette-Ouest | Congo | -0.12 | 14.54 | 1692 | 447 |
| Onteel | city | Chiapas | Mexico | 17.17 | -91.88 | 4189 | 6258 |
| Ontelaunee | city | Pennsylvania | United States | 40.42 | -75.94 | 298 | |
| Ontelaunee Heights | city | Pennsylvania | United States | 40.45 | -75.89 | 357 | |
| Ontelá | city | Chiapas | Mexico | 16.00 | -92.16 | 1971 | 3704 |
| Onteme | city | Sonora | Mexico | 27.60 | -110.27 | 108 | 1043 |
| Onteng | city | Equatorial Guinea | 1.26 | 11.08 | 1811 | 0 | |
| Onteniente | city | Comunitat Valenciana | Spain | 38.82 | -0.60 | 1669 | 28307 |
| Onteo Beach | city | New York | United States | 43.36 | -77.91 | 246 | |
| Onteora Park | city | New York | United States | 42.22 | -74.14 | 2509 | |
| Onterhuhta | city | Norra Karelen | Finland | 62.03 | 30.13 | 328 | 781 |
| Onterhuuhta | city | Norra Karelen | Finland | 62.03 | 30.13 | 328 | 781 |
| Onteru | city | Eastern Highlands | Papua New Guinea | -6.38 | 145.79 | 6200 | 3129 |
| Ontervreden | city | North West | South Africa | -25.41 | 26.74 | 3704 | 281 |
| Ontesmajor | city | Gyor-Moson-Sopron | Hungary | 47.64 | 17.05 | 344 | 6365 |
| Ontevrede | city | Northern Cape | South Africa | -28.01 | 22.69 | 4258 | 58 |
| Ontevrede | city | Free State | South Africa | -28.00 | 27.99 | 5082 | 174 |
| Ontevrede | city | Limpopo | South Africa | -24.15 | 29.75 | 2893 | 96 |
| Ontevrede | city | Western Cape | South Africa | -33.68 | 19.97 | 1669 | 789 |
| Ontevrede | city | Free State | South Africa | -27.72 | 25.53 | 4189 | 447 |
| Ontevrede | city | KwaZulu-Natal | South Africa | -27.68 | 31.20 | 2903 | 1415 |
| Ontevrede | city | Northern Cape | South Africa | -28.04 | 22.62 | 4189 | 0 |
| Ontevreden | city | Mpumalanga | South Africa | -25.50 | 30.00 | 6709 | 104 |
| Ontevreden | city | North West | South Africa | -25.38 | 26.75 | 3658 | 1081 |
| Ontevreden | city | Eastern Cape | South Africa | -30.86 | 26.16 | 5029 | 149 |
| Ontevreden | city | KwaZulu-Natal | South Africa | -28.07 | 31.15 | 2841 | 335 |
| Ontevreden | city | KwaZulu-Natal | South Africa | -27.40 | 30.88 | 3740 | 4384 |
| Ontevreden | city | Free State | South Africa | -27.00 | 27.46 | 5029 | 1176 |
| Ontevreden | city | Mpumalanga | South Africa | -25.52 | 29.98 | 6709 | 159 |
| Ontevreden | city | Limpopo | South Africa | -24.85 | 29.72 | 5029 | 12387 |
| Ontevreden | city | Limpopo | South Africa | -23.26 | 29.61 | 3349 | 45 |
| Ontex | city | Rhone-Alpes | France | 45.75 | 5.82 | 1988 | 3469 |
| Ontha | city | Sagaing | Burma | 24.17 | 94.84 | 830 | 3438 |
| Onthaines | city | Wallonie | Belgium | 50.29 | 5.03 | 875 | 3734 |
| Onthan-rodongjagu | city | Hambuk | Korea, Dem. Peoples Rep. of (North) | 42.94 | 129.97 | 393 | 16899 |
| Onthigwe | city | Mandalay | Burma | 20.44 | 96.09 | 830 | 25452 |
| Onti Mamidi | city | Andhra Pradesh | India | 19.27 | 79.19 | 1115 | 7709 |
| Ontia | city | Madhya Pradesh | India | 22.85 | 78.32 | 1030 | 23752 |
| Ontia | city | Madhya Pradesh | India | 22.83 | 78.26 | 1026 | 13497 |
| Ontiangadi | city | Karnataka | India | 12.21 | 75.99 | 2782 | 16018 |
| Ontichintagudem | city | Andhra Pradesh | India | 18.12 | 80.74 | 278 | 6000 |
| Ontignano | city | Toscana | Italy | 43.78 | 11.32 | 830 | 127006 |
| Ontika | city | Ida-Virumaa | Estonia | 59.43 | 27.29 | 170 | 11147 |
| Ontika Asundus | city | Ida-Virumaa | Estonia | 59.43 | 27.29 | 170 | 11147 |
| Ontika-Saka | city | Ida-Virumaa | Estonia | 59.43 | 27.25 | 177 | 16826 |
| Ontimajor | city | Baranya | Hungary | 45.95 | 17.78 | 314 | 1770 |
| Ontimamidi | city | Andhra Pradesh | India | 18.29 | 83.01 | 3349 | 13008 |
| Ontimitta | city | Andhra Pradesh | India | 14.40 | 79.03 | 387 | 10640 |
| Ontinar del Salz | city | Aragon | Spain | 41.94 | -0.76 | 964 | 1429 |
| Ontinyent | city | Comunitat Valenciana | Spain | 38.82 | -0.60 | 1669 | 28307 |
| Ontipuszta | city | Baranya | Hungary | 45.95 | 17.78 | 314 | 1770 |
| Ontipāka | city | Andhra Pradesh | India | 18.22 | 82.80 | 3589 | 15404 |
| Ontiveros | city | Chihuahua | Mexico | 28.18 | -107.67 | 9228 | 798 |
| Ontiveros | city | Baja California | Mexico | 32.54 | -116.86 | 318 | 92450 |
| Ontiñena | city | Aragon | Spain | 41.68 | 0.09 | 830 | 821 |
| Ontmoet | city | Limpopo | South Africa | -23.03 | 29.39 | 5456 | 436 |
| Onto | city | Plateaux | Congo | -2.55 | 15.09 | 2024 | 149 |
| Onto | city | Sulawesi Selatan | Indonesia | -5.95 | 120.50 | 357 | 9459 |
| Onto | city | Mopti | Mali | 15.05 | -3.48 | 1669 | 907 |
| Onto-onto | city | Jawa Tengah | Indonesia | -7.44 | 110.61 | 964 | 114138 |
| Ontogo | city | Congo | -0.62 | 15.06 | 1669 | 589 | |
| Ontoh | city | Sabah | Malaysia | 6.75 | 117.10 | 830 | 2980 |
| Ontok | city | Nusa Tenggara Barat | Indonesia | -8.66 | 116.36 | 3 | 152511 |
| Ontok | city | Aurora | Philippines | 16.05 | 122.00 | 232 | 699 |
| Ontola | city | Kainuu | Finland | 64.22 | 28.37 | 830 | 165 |
| Ontolo | city | Cuvette | Congo | -1.44 | 15.07 | 1669 | 390 |
| Ontolovo | city | Leningradskaya Oblast' | Russia | 59.65 | 30.27 | 265 | 70759 |
| Ontomur | city | Andhra Pradesh | India | 18.28 | 82.88 | 3349 | 16918 |
| Onton | city | Cantabria | Spain | 43.35 | -3.17 | 370 | 14051 |
| Onton | city | Kentucky | United States | 37.56 | -87.44 | 830 | |
| Ontonagon | city | Michigan | United States | 46.87 | -89.31 | 830 | |
| Ontong Java Atoll Airstrip | airport | -5.51 | 159.53 | 10 | 0 | ||
| Ontonghandap | city | Jawa Tengah | Indonesia | -7.20 | 108.58 | 830 | 42683 |
| Ontonsaari | city | Kareliya | Russia | 63.03 | 31.79 | 830 | 0 |
| Ontopo | city | Samegrelo-Zemo Svaneti | Georgia | 42.25 | 42.25 | 141 | 9122 |
| Ontopo | city | Samegrelo-Zemo Svaneti | Georgia | 42.23 | 42.27 | 131 | 11446 |
| Ontor | city | Galguduud | Somalia | 4.01 | 46.54 | 830 | 894 |
| Ontorbe | city | Matam | Senegal | 15.70 | -13.42 | 108 | 894 |
| Ontoria | city | Cantabria | Spain | 43.31 | -4.21 | 403 | 10028 |
| Ontoruho | city | Korea, Republic of (South) | 34.88 | 127.73 | 0 | 19146 | |
| Ontosapo | city | Sulawesi Selatan | Indonesia | -5.96 | 120.50 | 830 | 9459 |
| Ontourou | city | Plateaux | Congo | -2.30 | 14.37 | 1906 | 596 |
| Ontoye | city | Nigeria | 7.05 | 3.20 | 249 | 13112 | |
| Ontroinen | city | Kareliya | Russia | 61.75 | 31.28 | 249 | 438 |
| Ontronlahti | city | Kareliya | Russia | 61.00 | 32.60 | 26 | 184 |
| Ontronvaara | city | Kareliya | Russia | 62.72 | 32.07 | 830 | 149 |
| Ontronvaara | city | Kareliya | Russia | 62.63 | 31.40 | 830 | 149 |
| Ontronvara | city | Kareliya | Russia | 62.63 | 31.40 | 830 | 149 |
| Ontrovaara | city | Norra Karelen | Finland | 62.73 | 30.80 | 830 | 149 |
| Ontrovara | city | Kareliya | Russia | 62.72 | 32.07 | 830 | 149 |
| Ontrup | city | Nordrhein-Westfalen | Germany | 51.78 | 7.13 | 262 | 7664 |
| Ontrup | city | Nordrhein-Westfalen | Germany | 51.74 | 8.23 | 305 | 13261 |
| Ontsay | city | Lekoumou | Congo | -2.88 | 13.61 | 1994 | 447 |
| Ontsiaye | city | Lekoumou | Congo | -2.88 | 13.61 | 1994 | 447 |
| Ontskuli | city | Livanu Novads | Latvia | 56.30 | 26.45 | 305 | 697 |
| Onttola | city | Norra Karelen | Finland | 62.65 | 29.68 | 269 | 9657 |
| Ontucco | city | Ayacucho | Peru | -15.23 | -73.71 | 11748 | 2606 |
| Ontuco | city | Ayacucho | Peru | -15.23 | -73.71 | 11748 | 2606 |
| Ontuli | city | Oshikoto | Namibia | -17.75 | 17.22 | 3727 | 542 |
| Ontulili | city | Meru | Kenya | 0.02 | 37.17 | 7034 | 10790 |
| Ontunda | city | Oshikoto | Namibia | -18.10 | 16.43 | 3625 | 2789 |
| Ontur | city | Castilla-La Mancha | Spain | 38.62 | -1.50 | 2509 | 3366 |
| Ontur Airport | airport | 38.62 | -1.52 | 2200 | 0 | ||
| Onturba | city | Andhra Pradesh | India | 18.12 | 82.89 | 2509 | 9223 |
| Onturo | city | Cunene | Angola | -16.87 | 14.00 | 3684 | 447 |
| Ontushki | city | Kostromskaya Oblast' | Russia | 58.18 | 41.39 | 830 | 740 |
| Ontustik | city | Ongtustik Qazaqstan | Kazakhstan | 42.26 | 70.10 | 3484 | 298 |
| Ontustik | city | Ongtustik Qazaqstan | Kazakhstan | 41.21 | 68.83 | 1095 | 2384 |
| Ontutti Omar | city | Afar | Ethiopia | 9.40 | 40.30 | 2509 | 3576 |
| Ontvrede | city | Western Cape | South Africa | -34.07 | 19.65 | 905 | 1728 |
| Ontyshevo | city | Novgorodskaya Oblast' | Russia | 57.05 | 31.60 | 830 | 298 |
| Ontígola | city | Castilla-La Mancha | Spain | 40.00 | -3.57 | 2080 | 18734 |
| Ont’al-lodongjagu | city | Hambuk | Korea, Dem. Peoples Rep. of (North) | 42.94 | 129.97 | 393 | 16899 |
| Ont’am-ni | city | Chungnam | Korea, Republic of (South) | 36.35 | 126.77 | 830 | 8534 |
| Ont’an-nodongjagu | city | Hambuk | Korea, Dem. Peoples Rep. of (North) | 42.94 | 129.97 | 393 | 16899 |