| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Opon | city | Antioquia | Colombia | 6.45 | -74.91 | 4189 | 4600 |
| Opon | city | Surigao del Norte | Philippines | 9.71 | 125.60 | 0 | 14251 |
| Opon | city | Lapu-Lapu | Philippines | 10.31 | 123.95 | 16 | 503752 |
| Opon Valley | city | Ghana | 5.70 | -1.85 | 830 | 5450 | |
| Oponae | city | New Zealand | -38.25 | 177.30 | 830 | 0 | |
| Oponani | city | Nusa Tenggara Timur | Indonesia | -9.08 | 124.85 | 1669 | 10655 |
| Oponcito | city | Santander | Colombia | 6.89 | -73.73 | 360 | 16098 |
| Opondo | city | Katanga | Congo (Dem. Republic of The)-(Zaire) | -4.68 | 24.60 | 2037 | 1192 |
| Oponduy | city | Astrakhanskaya Oblast' | Russia | 48.07 | 47.17 | 32 | 200 |
| Opondweni | city | KwaZulu-Natal | South Africa | -27.29 | 32.08 | 830 | 9377 |
| Oponesice | city | Vysocina | Czech Republic | 49.04 | 15.65 | 1669 | 4321 |
| Opong | city | Northern Samar | Philippines | 12.38 | 125.03 | 160 | 18370 |
| Opong | city | Tacloban | Philippines | 11.35 | 124.96 | 3 | 77438 |
| Opong | city | Eastern Samar | Philippines | 11.17 | 125.65 | 85 | 10494 |
| Opong | city | Leyte | Philippines | 11.02 | 125.04 | 3 | 38230 |
| Opong | city | Surigao del Norte | Philippines | 9.71 | 125.60 | 0 | 14251 |
| Opong Valley | city | Ghana | 5.70 | -1.85 | 830 | 5450 | |
| Oponga | city | Cuvette-Ouest | Congo | -0.40 | 14.65 | 1817 | 447 |
| Oponga | city | Cuvette | Congo | -1.00 | 16.30 | 1030 | 0 |
| Oponguio | city | Michoacan de Ocampo | Mexico | 19.60 | -101.67 | 6824 | 6159 |
| Oponguio | city | Michoacan de Ocampo | Mexico | 19.65 | -101.65 | 6824 | 4332 |
| Oponice | city | Nitriansky | Slovakia | 48.47 | 18.15 | 830 | 7348 |
| Oponiyankrom | city | Ghana | 6.04 | -1.70 | 830 | 25142 | |
| Oponiyaokrom | city | Ghana | 6.04 | -1.70 | 830 | 25142 | |
| Opononi | city | New Zealand | -35.50 | 173.40 | 3 | 401 | |
| Oponono | city | Oshana | Namibia | -18.15 | 15.78 | 3513 | 343 |
| Oponosi | city | Karsavas Novads | Latvia | 56.77 | 27.60 | 328 | 377 |
| Oponovtsy | city | Grodnenskaya Oblast' | Belarus | 53.92 | 24.75 | 830 | 2258 |
| Oponso Kakraba | city | Ghana | 5.68 | -1.85 | 830 | 5777 | |
| Oponsokese | city | Ghana | 5.76 | -1.79 | 830 | 7348 | |
| Oponsokese Nsima | city | Ghana | 5.76 | -1.79 | 830 | 7348 | |
| Oponsokese Nzima | city | Ghana | 5.76 | -1.79 | 830 | 7348 | |
| Oponsukese | city | Ghana | 5.76 | -1.79 | 830 | 7348 | |
| Opont | city | Wallonie | Belgium | 49.93 | 5.12 | 1158 | 2631 |
| Oponu | city | French Polynesia | -17.52 | -149.85 | 1174 | 8694 | |
| Oponu | city | Nigeria | 8.03 | 8.10 | 830 | 5654 | |
| Oponys Town (historical) | city | Florida | United States | 27.78 | -81.80 | 111 |