| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
|---|
| Okarben | city | Land Hessen | Germany | 50.25 | 8.75 | 367 | 42717 |
| Okel | city | Land Niedersachsen | Germany | 52.9333333 | 8.8833333 | 62 | 10538 |
| Oker | city | Land Niedersachsen | Germany | 51.9 | 10.4833333 | 951 | 15526 |
| Okertalsiedlung | city | Land Niedersachsen | Germany | 52.1333333 | 10.55 | 255 | 20077 |
| Okriftel | city | Land Hessen | Germany | 50.05 | 8.5 | 328 | 147981 |
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