| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Sinsk | city | Sakha (Yakutiya) | Russia | 61.13 | 126.84 | 364 | 87 |
| Sinskoe | city | Sakha (Yakutiya) | Russia | 61.13 | 126.84 | 364 | 87 |
| Sinskoye | city | Sakha (Yakutiya) | Russia | 61.13 | 126.84 | 364 | 87 |
| Sinskoye Ust'ye | city | Pskovskaya Oblast' | Russia | 57.17 | 28.52 | 232 | 149 |
| Sinskoye Ust’ye | city | Pskovskaya Oblast' | Russia | 57.17 | 28.52 | 232 | 149 |