| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Siagajevka | city | Omskaya Oblast' | Russia | 55.61 | 74.17 | 830 | 745 |
| Sibilyakova | city | Omskaya Oblast' | Russia | 57.03 | 74.10 | 177 | 298 |
| Sibirka | city | Omskaya Oblast' | Russia | 56.87 | 74.47 | 232 | 4862 |
| Sibirskiy Nauchno-issledovatel'skiy Institut Sel'skogo Khozyaystva | city | Omskaya Oblast' | Russia | 55.03 | 73.33 | 403 | 197543 |
| Sibirskiy Nauchno-issledovatel’skiy Institut Sel’skogo Khozyaystva | city | Omskaya Oblast' | Russia | 55.03 | 73.33 | 403 | 197543 |
| Sibirskoje | city | Omskaya Oblast' | Russia | 53.74 | 74.33 | 374 | 596 |
| Sibirskoje | city | Omskaya Oblast' | Russia | 54.01 | 74.85 | 246 | 894 |
| Sibirskoye | city | Omskaya Oblast' | Russia | 53.74 | 74.33 | 374 | 596 |
| Sibirskoye | city | Omskaya Oblast' | Russia | 54.01 | 74.85 | 246 | 894 |
| Sibiryak | city | Omskaya Oblast' | Russia | 53.74 | 74.33 | 374 | 596 |
| Sibkommuna | city | Omskaya Oblast' | Russia | 54.80 | 73.46 | 305 | 4813 |
| Sibnivi | city | Omskaya Oblast' | Russia | 55.08 | 73.79 | 341 | 357 |
| Sidorovka | city | Omskaya Oblast' | Russia | 55.72 | 74.56 | 830 | 669 |
| Sidorovka | city | Omskaya Oblast' | Russia | 57.01 | 74.60 | 374 | 0 |
| Sigayevka | city | Omskaya Oblast' | Russia | 55.61 | 74.17 | 830 | 745 |
| Sigayevo | city | Omskaya Oblast' | Russia | 55.61 | 74.17 | 830 | 745 |
| Sik | city | Omskaya Oblast' | Russia | 57.63 | 73.38 | 285 | 149 |
| Sil'vinka | city | Omskaya Oblast' | Russia | 57.68 | 73.60 | 255 | 149 |
| Sil’vinka | city | Omskaya Oblast' | Russia | 57.68 | 73.60 | 255 | 149 |
| Simnikovskiy | city | Omskaya Oblast' | Russia | 55.65 | 74.78 | 410 | 596 |
| Singul' | city | Omskaya Oblast' | Russia | 56.25 | 71.66 | 288 | 289 |
| Singul’ | city | Omskaya Oblast' | Russia | 56.25 | 71.66 | 288 | 289 |
| Sitnikovo | city | Omskaya Oblast' | Russia | 55.67 | 74.79 | 406 | 596 |
| Sitnikovskiy | city | Omskaya Oblast' | Russia | 55.67 | 74.82 | 830 | 596 |