| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
|---|
| Ona | city | | Indonesia | -8.35 | 121.7333333 | 91 | 1493 |
| Ona | city | Propinsi Maluku | Indonesia | -2.1602778 | 125.8847222 | 452 | 505 |
| Onan | city | Propinsi Sulawesi Selatan | Indonesia | -3.12 | 118.7838889 | 423 | 3962 |
| Onang | city | Propinsi Sulawesi Selatan | Indonesia | -3.12 | 118.7838889 | 423 | 3962 |
| Onantoengka | city | | Indonesia | 2.0333333 | 99.1166667 | 3999 | 11023 |
| Onantulason | city | | Indonesia | 2.2833333 | 98.55 | 3106 | 11019 |
| Onantungka | city | | Indonesia | 2.0333333 | 99.1166667 | 3999 | 11023 |
| Onar | city | | Indonesia | -2.55 | 133 | 3 | 256 |
| Onasitoli | city | | Indonesia | 1.2666667 | 97.5333333 | 738 | 24599 |
| Ondang | city | | Indonesia | 2.7666667 | 125.4 | 4255 | 8697 |
| Ondarandir | city | | Indonesia | -6.1505556 | 106.3055556 | 144 | 141068 |
| Ondjong | city | | Indonesia | -6.0638889 | 106.3133333 | 42 | 139934 |
| Ondoer | city | | Indonesia | -4 | 131.3833333 | 413 | 1263 |
| Ondolean | city | | Indonesia | -1.6166667 | 121.9833333 | 65 | 2228 |
| Ondong | city | | Indonesia | 2.75 | 125.3333333 | 0 | 1781 |
| Ondoondola | city | Propinsi Sulawesi Selatan | Indonesia | -1.2263889 | 122.4441667 | 400 | 4662 |
| Ondur | city | | Indonesia | -4 | 131.3833333 | 413 | 1263 |
| One Ete | city | | Indonesia | -2.9666667 | 122.2833333 | 144 | 1472 |
| Oneboete | city | | Indonesia | -4 | 122.35 | 95 | 4844 |
| Onemboete | city | | Indonesia | -4 | 122.35 | 95 | 4844 |
| Onembute | city | | Indonesia | -4 | 122.35 | 95 | 4844 |
| Onete | city | | Indonesia | -2.9666667 | 122.2833333 | 144 | 1472 |
| Ongari | city | | Indonesia | -8.3 | 140.1333333 | 3 | 208 |
| Ongeongi | city | | Indonesia | -2.6166667 | 121.9833333 | 154 | 1512 |
| Onggalie | city | | Indonesia | -8.3 | 140.1333333 | 3 | 208 |
| Onggari | city | | Indonesia | -8.3 | 140.1333333 | 3 | 208 |
| Ongge | city | | Indonesia | -8.7333333 | 116.2 | 334 | 59876 |
| Onggoenoi | city | Propinsi Sulawesi Utara | Indonesia | 0.4772222 | 124.4183333 | 380 | 5205 |
| Onggokanbatue | city | Propinsi Bali | Indonesia | -8.8277778 | 115.0833333 | 98 | 19875 |
| Onggunoi | city | Propinsi Sulawesi Utara | Indonesia | 0.4772222 | 124.4183333 | 380 | 5205 |
| Ongka | city | Propinsi Sulawesi Tengah | Indonesia | 0.4872222 | 120.7941667 | 183 | 5216 |
| Ongkaoe | city | Propinsi Sulawesi Utara | Indonesia | 1.0977778 | 124.3475 | 449 | 11671 |
| Ongkau | city | Propinsi Sulawesi Utara | Indonesia | 1.0977778 | 124.3475 | 449 | 11671 |
| Ongkaw | city | Propinsi Sulawesi Utara | Indonesia | 1.0977778 | 124.3475 | 449 | 11671 |
| Ongko | city | Propinsi Sulawesi Selatan | Indonesia | -3.7508333 | 119.6486111 | 144 | 37792 |
| Ongkoe | city | Propinsi Sulawesi Selatan | Indonesia | -3.7508333 | 119.6486111 | 144 | 37792 |
| Ongkoe | city | Propinsi Sulawesi Selatan | Indonesia | -3.9533333 | 119.9419444 | 226 | 13892 |
| Ongulara | city | Propinsi Sulawesi Tengah | Indonesia | -0.9461111 | 119.6069444 | 436 | 8237 |
| Ongumbonu | city | Propinsi Sulawesi Tengah | Indonesia | -0.9891667 | 119.7116667 | 3136 | 8237 |
| Ongumbonu | city | Propinsi Sulawesi Tengah | Indonesia | -0.9880556 | 119.7672222 | 3805 | 8237 |
| Ongunoi | city | Propinsi Sulawesi Utara | Indonesia | 0.4772222 | 124.4183333 | 380 | 5205 |
| Oni | city | | Indonesia | -1.1833333 | 134.1 | 1292 | 653 |
| Onjam 1 | city | | Indonesia | -6.1041667 | 106.3541667 | 88 | 141079 |
| Onjam 2 | city | | Indonesia | -6.1094444 | 106.3522222 | 82 | 141079 |
| Onjam Dua | city | | Indonesia | -6.1094444 | 106.3522222 | 82 | 141079 |
| Onjam Satu | city | | Indonesia | -6.1041667 | 106.3541667 | 88 | 141079 |
| Onolimboe | city | Propinsi Sumatera Utara | Indonesia | 1.05 | 97.8833333 | 3 | 5934 |
| Onolimbu | city | Propinsi Sumatera Utara | Indonesia | 1.05 | 97.8833333 | 3 | 5934 |
| Onom | city | | Indonesia | -6.1527778 | 106.4747222 | 121 | 369456 |
| Onondowa | city | Propinsi Sulawesi Selatan | Indonesia | -2.1261111 | 120.2983333 | 4140 | 6697 |
| Onu | city | Propinsi Sulawesi Tengah | Indonesia | -1.7036111 | 119.8997222 | 3543 | 8232 |