| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Oostmahorn | city | Fryslan | Netherlands | 53.38 | 6.16 | 3 | 1816 |
| Oostmalle | city | Vlaanderen | Belgium | 51.30 | 4.73 | 65 | 22496 |
| Oostmeulen | city | Vlaanderen | Belgium | 51.11 | 3.46 | 26 | 25158 |
| Oostmijzen | city | Noord-Holland | Netherlands | 52.61 | 4.93 | -1689 | 12675 |
| Oostmoer | city | Vlaanderen | Belgium | 51.16 | 3.63 | 13 | 24928 |
| Oostmolen | city | Vlaanderen | Belgium | 51.11 | 3.46 | 26 | 25158 |