| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Ooldenbuurich | city | Niedersachsen | Germany | 53.14 | 8.21 | 19 | 106764 |
| Oolden´hågen | city | Niedersachsen | Germany | 52.44 | 9.35 | 190 | 7074 |
| Oosten | city | Niedersachsen | Germany | 53.70 | 9.19 | 3 | 2356 |
| Oostereis | city | Niedersachsen | Germany | 53.30 | 9.17 | 108 | 4172 |
| Oosterholt-Scharmbeek | city | Niedersachsen | Germany | 53.23 | 8.80 | 16 | 19234 |