| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Onga | city | Kwanza Sul | Angola | -11.45 | 14.77 | 5029 | 1937 |
| Onga | city | Laanemaa | Estonia | 58.82 | 23.73 | 19 | 349 |
| Onga | city | Laane-Virumaa | Estonia | 58.96 | 26.51 | 301 | 447 |
| Onga | city | Borsod-Abauj-Zemplen | Hungary | 48.12 | 20.92 | 377 | 16997 |
| Onga | city | Nusa Tenggara Timur | Indonesia | -8.51 | 123.56 | 226 | 4215 |
| Onga | city | Nusa Tenggara Timur | Indonesia | -8.37 | 123.25 | 1118 | 15450 |
| Onga | city | Zomba | Malawi | -15.35 | 35.38 | 2509 | 55924 |
| Onga | city | Morobe | Papua New Guinea | -6.39 | 146.19 | 1879 | 1494 |
| Onga | city | Guinea-Bissau | 12.38 | -14.52 | 29 | 5793 | |
| Onga Onga | city | New Zealand | -39.92 | 176.42 | 830 | 185 | |
| Onga-Muksa | city | Kareliya | Russia | 62.14 | 33.03 | 413 | 107 |
| Onga-rak | city | Nakhon Nayok | Thailand | 14.09 | 100.98 | 45 | 13006 |
| Ongabelen | city | Nusa Tenggara Timur | Indonesia | -8.33 | 123.20 | 1118 | 18312 |
| Ongabip | city | West Sepik | Papua New Guinea | -4.70 | 141.07 | 1669 | 596 |
| Ongacha | city | Tyva | Russia | 51.37 | 94.77 | 2509 | 0 |
| Ongacha | city | Tyva | Russia | 51.18 | 93.68 | 5029 | 298 |
| Ongagawa | city | Fukuoka | Japan | 33.85 | 130.67 | 62 | 164452 |
| Ongagóa | city | Cunene | Angola | -16.65 | 13.43 | 3349 | 447 |
| Ongahambo | city | Northern | Papua New Guinea | -8.87 | 148.05 | 1000 | 596 |
| Ongai | city | Southern Highlands | Papua New Guinea | -6.20 | 143.93 | 6929 | 1937 |
| Ongai Mission | city | Southern Highlands | Papua New Guinea | -6.20 | 143.93 | 6929 | 1937 |
| Ongaing | city | Mandalay | Burma | 22.94 | 96.50 | 3736 | 89189 |
| Ongako | city | Gulu | Uganda | 2.68 | 32.24 | 3513 | 9012 |
| Ongako | city | Gulu | Uganda | 2.68 | 32.23 | 3530 | 10689 |
| Ongala | city | Oshikoto | Namibia | -17.85 | 16.95 | 3674 | 447 |
| Ongalangobe | city | Ohangwena | Namibia | -17.48 | 17.27 | 4189 | 596 |
| Ongalein | city | Nusa Tenggara Timur | Indonesia | -8.27 | 123.54 | 0 | 7167 |
| Ongalereng | city | Nusa Tenggara Timur | Indonesia | -8.44 | 123.01 | 3 | 11798 |
| Ongali | city | Cuvette | Congo | -1.59 | 14.79 | 1745 | 279 |
| Ongali | city | Plateaux | Congo | -1.50 | 15.80 | 1669 | 428 |
| Ongali | city | Plateaux | Congo | -1.79 | 16.08 | 1040 | 298 |
| Ongali | city | Plateaux | Congo | -2.30 | 14.50 | 2595 | 596 |
| Ongali | city | Cuvette | Congo | -1.47 | 14.74 | 1948 | 298 |
| Ongali | city | Plateaux | Congo | -1.51 | 15.96 | 1190 | 331 |
| Ongali | city | Oshikoto | Namibia | -18.30 | 16.32 | 3576 | 1486 |
| Ongali | city | Ohangwena | Namibia | -17.50 | 15.78 | 3605 | 4036 |
| Ongalo | city | Lamwo | Uganda | 3.57 | 32.74 | 4189 | 3349 |
| Ongalo | city | Agago | Uganda | 3.01 | 33.45 | 3687 | 3567 |
| Ongam | city | Estuaire | Gabon | 0.64 | 9.66 | 830 | 0 |
| Ongam | city | Korea, Dem. Peoples Rep. of (North) | 38.25 | 125.20 | 137 | 21480 | |
| Ongam | city | Jeonnam | Korea, Republic of (South) | 34.53 | 126.55 | 9 | 13356 |
| Ongam | city | Jeonnam | Korea, Republic of (South) | 34.44 | 126.88 | 0 | 5252 |
| Ongam | city | Jeonnam | Korea, Republic of (South) | 34.79 | 127.39 | 3 | 11163 |
| Ongam | city | Incheon | Korea, Republic of (South) | 37.54 | 126.38 | 0 | 2226 |
| Ongam-dong | city | Hwangbuk | Korea, Dem. Peoples Rep. of (North) | 38.43 | 126.65 | 830 | 17185 |
| Ongam-ni | city | Hwangbuk | Korea, Dem. Peoples Rep. of (North) | 38.43 | 126.65 | 830 | 17185 |
| Ongam-ni | city | Incheon | Korea, Republic of (South) | 37.53 | 126.37 | 3 | 2139 |
| Ongam-ni | city | Korea, Republic of (South) | 34.78 | 127.38 | 3 | 8830 | |
| Ongam-ni | city | Jeonnam | Korea, Republic of (South) | 34.79 | 127.38 | 0 | 13334 |
| Ongam-ni | city | Jeonnam | Korea, Republic of (South) | 34.53 | 126.55 | 9 | 13356 |
| Ongam-ni | city | Jeonnam | Korea, Republic of (South) | 34.44 | 126.88 | 0 | 5252 |
| Ongam-ni | city | Chungnam | Korea, Republic of (South) | 36.48 | 126.63 | 406 | 15489 |
| Ongamira | city | Cordoba | Argentina | -30.78 | -64.43 | 4189 | 205 |
| Ongan | city | Nusa Tenggara Timur | Indonesia | -8.49 | 123.55 | 0 | 4900 |
| Onganaka | city | Cuvette | Congo | 0.08 | 15.97 | 1040 | 149 |
| Ongandi | city | Centre | Cameroon | 4.02 | 11.77 | 2509 | 2533 |
| Ongandi | city | Centre | Cameroon | 3.88 | 11.63 | 2509 | 15550 |
| Ongandjera | city | Omusati | Namibia | -17.88 | 15.07 | 3585 | 3765 |
| Ongane | city | Congo (Dem. Republic of The)-(Zaire) | 3.20 | 26.97 | 2509 | 298 | |
| Onganja | city | Khomas | Namibia | -22.10 | 17.47 | 6020 | 0 |
| Onganombe | city | Kasai Oriental | Congo (Dem. Republic of The)-(Zaire) | -3.94 | 23.84 | 1998 | 3232 |
| Onganranta | city | Norra Osterbotten | Finland | 65.20 | 25.33 | 49 | 2884 |
| Ongané | city | Sud | Cameroon | 2.35 | 11.53 | 1256 | 909 |
| Ongaon | city | Andhra Pradesh | India | 18.23 | 82.39 | 2578 | 11736 |
| Ongaona | city | Nusa Tenggara Timur | Indonesia | -8.57 | 123.43 | 0 | 4033 |
| Ongapos' | city | Chuvashiya | Russia | 56.08 | 47.05 | 830 | 4813 |
| Ongapos’ | city | Chuvashiya | Russia | 56.08 | 47.05 | 830 | 4813 |
| Ongar | city | Sindh | Pakistan | 25.18 | 68.24 | 39 | 5815 |
| Ongar-Nayman | city | Avtonomna Respublika Krym | Ukraine | 45.82 | 33.72 | 9 | 2295 |
| Ongard | city | Vasternorrland | Sweden | 62.50 | 17.62 | 331 | 2303 |
| Ongari | city | Papua | Indonesia | -8.30 | 140.13 | 3 | 92 |
| Ongariama | city | Soroti | Uganda | 1.98 | 33.50 | 3582 | 6239 |
| Ongarou | city | Est | Burkina Faso | 12.15 | 0.93 | 859 | 1192 |
| Ongarue | city | New Zealand | -38.72 | 175.28 | 830 | 149 | |
| Ongasa | city | Congo (Dem. Republic of The)-(Zaire) | 2.94 | 25.98 | 2004 | 1788 | |
| Ongasia | city | Norte de Santander | Colombia | 7.04 | -72.24 | 3487 | 715 |
| Ongassaare | city | Ida-Virumaa | Estonia | 59.20 | 27.47 | 209 | 151 |
| Ongassaare | city | Ida-Virumaa | Estonia | 59.17 | 27.47 | 187 | 195 |
| Ongasía | city | Norte de Santander | Colombia | 7.04 | -72.24 | 3487 | 715 |
| Ongat | city | Sud | Cameroon | 2.35 | 10.15 | 830 | 1043 |
| Ongata Rongai | city | Nairobi City | Kenya | -1.40 | 36.76 | 5869 | 70224 |
| Ongato | city | Cunene | Angola | -17.43 | 13.92 | 2844 | 111 |
| Ongatsja | city | Tyva | Russia | 51.18 | 93.68 | 5029 | 298 |
| Ongatsy | city | Fianarantsoa | Madagascar | -22.41 | 47.90 | 26 | 14029 |
| Ongava Omea | city | Omaheke | Namibia | -22.18 | 18.53 | 5062 | 0 |
| Ongayo | city | Cantabria | Spain | 43.41 | -4.06 | 272 | 20881 |