| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Oostdeel | city | Free State | South Africa | -29.26 | 25.25 | 4284 | 99 |
| Oostdijckbank platform heliport | airport | 51.27 | 2.45 | 69 | 0 | ||
| Oostdijk | city | Zuid-Holland | Netherlands | 51.83 | 3.96 | 3 | 5245 |
| Oostdijk | city | Zeeland | Netherlands | 51.44 | 4.07 | 3 | 6841 |
| Oostdorp | city | Vlaanderen | Belgium | 50.88 | 3.95 | 196 | 37806 |
| Oostdorp | city | Gelderland | Netherlands | 52.44 | 5.86 | 13 | 18023 |
| Oostdorp | city | Zuid-Holland | Netherlands | 52.15 | 4.39 | 3 | 85595 |
| Oostdorp | city | Noord-Holland | Netherlands | 52.67 | 4.70 | -1689 | 50735 |
| Oostduinekerke-Bad | city | Vlaanderen | Belgium | 51.13 | 2.67 | 26 | 18459 |
| Oostduinkerke | city | Vlaanderen | Belgium | 51.12 | 2.68 | 6 | 24196 |
| Oostduinkerke-Bad | city | Vlaanderen | Belgium | 51.13 | 2.67 | 26 | 18459 |