| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Obia | city | Cuvette | Congo | -1.64 | 14.59 | 2014 | 298 |
| Obia | city | Haut-Ogooue | Gabon | -1.21 | 13.83 | 1669 | 788 |
| Obia | city | Rivers | Nigeria | 4.84 | 7.04 | 1669 | 166861 |
| Obia | city | Rivers | Nigeria | 4.83 | 6.74 | 830 | 28455 |
| Obia | city | Gulu | Uganda | 2.81 | 32.32 | 3523 | 70293 |
| Obia I | city | Haut-Ogooue | Gabon | -1.27 | 13.92 | 1879 | 391 |
| Obia II | city | Haut-Ogooue | Gabon | -1.52 | 13.80 | 2017 | 239 |
| Obia II | city | Haut-Ogooue | Gabon | -1.21 | 13.83 | 1669 | 788 |
| Obiachi | city | Sonora | Mexico | 29.06 | -111.78 | 127 | 894 |
| Obiaga | city | Est | Burkina Faso | 11.93 | -0.07 | 948 | 8031 |
| Obiago | city | Enugu | Nigeria | 5.90 | 7.69 | 830 | 31677 |
| Obiago Ndubia | city | Cross River | Nigeria | 6.38 | 8.43 | 360 | 17297 |
| Obiago-Ibom | city | Ebonyi | Nigeria | 6.32 | 8.37 | 344 | 14252 |
| Obiagu | city | Ebonyi | Nigeria | 6.35 | 8.11 | 390 | 81007 |
| Obiagu | city | Ebonyi | Nigeria | 6.29 | 7.72 | 406 | 21966 |
| Obiagu Ibom | city | Ebonyi | Nigeria | 6.27 | 8.40 | 331 | 15000 |
| Obiagu-Mebi | city | Ebonyi | Nigeria | 5.99 | 7.86 | 364 | 35194 |
| Obiagwulu | city | Abia | Nigeria | 5.43 | 7.92 | 830 | 10891 |
| Obiakabi | city | Abia | Nigeria | 5.35 | 7.37 | 830 | 38823 |
| Obiakambu | city | Delta | Nigeria | 5.79 | 6.32 | 301 | 26312 |
| Obiakang | city | Abia | Nigeria | 5.44 | 7.90 | 830 | 11636 |
| Obiakang | city | Abia | Nigeria | 5.45 | 7.84 | 830 | 13119 |
| Obiakpa | city | Akwa Ibom | Nigeria | 4.89 | 7.70 | 830 | 46373 |
| Obiakpo | city | Imo | Nigeria | 5.57 | 6.74 | 301 | 27201 |
| Obiakpu | city | Imo | Nigeria | 5.51 | 6.76 | 341 | 23529 |
| Obiaku | city | Abia | Nigeria | 4.88 | 7.20 | 830 | 14634 |
| Obiam | city | Benue | Nigeria | 7.58 | 8.25 | 830 | 9219 |
| Obiama | city | Bayelsa | Nigeria | 4.60 | 6.35 | 1669 | 21903 |
| Obianda | city | Nord-Kivu | Congo (Dem. Republic of The)-(Zaire) | -1.25 | 27.64 | 1906 | 1192 |
| Obianda | city | Timis | Romania | 45.62 | 21.70 | 830 | 3172 |
| Obianga | city | Akwa Ibom | Nigeria | 4.48 | 7.61 | 0 | 24482 |
| Obiariku | city | Delta | Nigeria | 5.85 | 6.15 | 269 | 16987 |
| Obiaruku | city | Delta | Nigeria | 5.85 | 6.15 | 269 | 16987 |
| Obiaruku Quarters | city | Delta | Nigeria | 5.85 | 6.15 | 269 | 16987 |
| Obiasht | city | Sughd | Tajikistan | 40.86 | 70.47 | 5029 | 3427 |
| Obiata | city | Bayelsa | Nigeria | 4.61 | 6.45 | 830 | 20663 |
| Obiatannai | city | Hokkaido | Japan | 45.24 | 141.18 | 98 | 1734 |