| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Oppa | city | Guera | Chad | 12.01 | 18.89 | 1847 | 596 |
| Oppa | city | Miyagi | Japan | 38.57 | 141.43 | 3 | 7386 |
| Oppacchiasella | city | Miren-Kostanjevica | Slovenia | 45.85 | 13.58 | 830 | 12356 |
| Oppach | city | Jihocesky Kraj | Czech Republic | 48.73 | 14.38 | 2526 | 2232 |
| Oppach | city | Sachsen | Germany | 51.06 | 14.50 | 1164 | 3525 |
| Oppachi vald | city | Sachsen | Germany | 51.06 | 14.50 | 1164 | 3525 |
| Oppae | city | Chungnam | Korea, Republic of (South) | 36.26 | 126.94 | 16 | 33936 |
| Oppagne | city | Wallonie | Belgium | 50.31 | 5.51 | 1010 | 4964 |
| Oppak-kol | city | Hwangnam | Korea, Dem. Peoples Rep. of (North) | 38.38 | 125.27 | 275 | 21605 |
| Oppak-kol | city | Chungnam | Korea, Republic of (South) | 36.68 | 126.39 | 114 | 6669 |
| Oppak-kol | city | Gangwon | Korea, Republic of (South) | 37.55 | 128.27 | 2509 | 453 |
| Oppak-kol | city | Gangwon | Korea, Republic of (South) | 37.66 | 128.83 | 1082 | 16924 |
| Oppak-kol | city | Gyeongbuk | Korea, Republic of (South) | 36.24 | 129.17 | 1669 | 11000 |
| Oppala | city | Gavleborg | Sweden | 60.77 | 17.15 | 42 | 5806 |
| Oppalaby | city | Gavleborg | Sweden | 60.77 | 17.15 | 42 | 5806 |
| Oppama | city | Kanagawa | Japan | 35.31 | 139.63 | 72 | 378406 |
| Oppama-higashicho | city | Kanagawa | Japan | 35.31 | 139.63 | 42 | 378406 |
| Oppama-honcho | city | Kanagawa | Japan | 35.32 | 139.63 | 65 | 401901 |
| Oppamacho | city | Kanagawa | Japan | 35.31 | 139.63 | 72 | 378406 |
| Oppangi | city | Andhra Pradesh | India | 18.29 | 83.94 | 59 | 172922 |
| Opparjumma | city | Andhra Pradesh | India | 18.72 | 83.84 | 1135 | 27525 |
| Opparyd | city | Kronoberg | Sweden | 56.70 | 14.50 | 830 | 1174 |
| Oppaslaagte | city | North West | South Africa | -26.39 | 26.21 | 5029 | 968 |
| Oppat | city | Gyeongbuk | Korea, Republic of (South) | 36.00 | 128.52 | 1099 | 23925 |
| Oppat | city | Gyeongbuk | Korea, Republic of (South) | 35.76 | 129.01 | 830 | 8239 |
| Oppat'chae | city | Jeonnam | Korea, Republic of (South) | 34.98 | 127.15 | 370 | 8426 |
| Oppatau | city | Vysocina | Czech Republic | 49.22 | 15.66 | 1965 | 3996 |
| Oppatsch | city | Mazowieckie | Poland | 52.18 | 20.92 | 298 | 175677 |
| Oppat’chae | city | Jeonnam | Korea, Republic of (South) | 34.98 | 127.15 | 370 | 8426 |
| Oppau | city | Hwangbuk | Korea, Dem. Peoples Rep. of (North) | 38.46 | 125.92 | 137 | 22350 |
| Oppau | city | Chungbuk | Korea, Republic of (South) | 37.20 | 127.74 | 150 | 11451 |
| Oppavia | city | Moravskoslezsky Kraj | Czech Republic | 49.94 | 17.90 | 885 | 52931 |
| Oppawi | city | Gangwon | Korea, Republic of (South) | 37.40 | 129.10 | 190 | 11329 |