| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Oostvaardersdiep | city | Flevoland | Netherlands | 52.42 | 5.23 | -1689 | 57170 |
| Oostveld | city | Vlaanderen | Belgium | 51.18 | 3.58 | 16 | 33430 |
| Oostveld | city | Vlaanderen | Belgium | 51.16 | 3.39 | 42 | 5014 |
| Oostvleteren | city | Vlaanderen | Belgium | 50.93 | 2.74 | 26 | 7776 |
| Oostvoorne | city | Zuid-Holland | Netherlands | 51.91 | 4.07 | 9 | 38698 |