| Land | Einwohner | Stadt | % Korrekt |
|---|---|---|---|
| Niedersachsen | 174.629 | Oldenburg | 86%
|
| Niedersachsen | 166.960 | Osnabrück | 81%
|
| NRW | 211.099 | Oberhausen | 71%
|
| Hessen | 135.490 | Offenbach am Main | 70%
|
| Baden-Württemberg | 62.195 | Offenburg | 46%
|
| Brandenburg | 48.492 | Oranienburg | 28%
|
| NRW | 31.918 | Oer-Erkenschwick | 14%
|
| Hessen | 47.241 | Oberursel (Taunus) | 13%
|
| NRW | 29.783 | Oelde | 9%
|
| Bayern | 28.052 | Olching | 7%
|
| Niedersachsen | 30.717 | Osterholz-Scharmbeck | 7%
|
| Baden-Württemberg | 39.833 | Ostfildern | 7%
|
| Hessen | 25.531 | Obertshausen | 6%
|
| NRW | 27.489 | Overath | 5%
|