| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Сибирка | city | Chelyabinskaya Oblast' | Russia | 54.87 | 58.99 | 1840 | 298 |
| Сикияз-Тамак | city | Chelyabinskaya Oblast' | Russia | 55.18 | 58.60 | 1125 | 0 |
| Сикиязтамак | city | Chelyabinskaya Oblast' | Russia | 55.18 | 58.60 | 1125 | 0 |
| Силач | city | Chelyabinskaya Oblast' | Russia | 55.99 | 60.43 | 1669 | 492 |
| Силач, ж/д ст | city | Chelyabinskaya Oblast' | Russia | 55.99 | 60.43 | 1669 | 492 |
| Силәбе | city | Chelyabinskaya Oblast' | Russia | 55.15 | 61.43 | 830 | 176327 |
| Сим | city | Chelyabinskaya Oblast' | Russia | 54.99 | 57.70 | 872 | 298 |
| Сим | city | Chelyabinskaya Oblast' | Russia | 55.05 | 57.71 | 1010 | 298 |
| Симбирка | city | Chelyabinskaya Oblast' | Russia | 52.70 | 59.20 | 1013 | 596 |
| Симская | city | Chelyabinskaya Oblast' | Russia | 55.05 | 57.71 | 1010 | 298 |
| Синарский | city | Chelyabinskaya Oblast' | Russia | 56.13 | 61.88 | 830 | 745 |
| Синеглазово | city | Chelyabinskaya Oblast' | Russia | 55.00 | 61.44 | 830 | 60176 |
| Синелкина | city | Chelyabinskaya Oblast' | Russia | 54.70 | 61.13 | 830 | 298 |
| Синий Бор | city | Chelyabinskaya Oblast' | Russia | 54.55 | 61.33 | 830 | 2440 |
| Синий Шихан | city | Chelyabinskaya Oblast' | Russia | 52.02 | 60.03 | 1181 | 367 |
| Сирюсина | city | Chelyabinskaya Oblast' | Russia | 55.12 | 60.90 | 830 | 298 |
| Система | city | Chelyabinskaya Oblast' | Russia | 53.11 | 60.22 | 1164 | 298 |
| Система, остановочный пункт | city | Chelyabinskaya Oblast' | Russia | 53.11 | 60.22 | 1164 | 298 |
| Ситцева | city | Chelyabinskaya Oblast' | Russia | 55.79 | 59.73 | 1174 | 596 |
| Ситцево | city | Chelyabinskaya Oblast' | Russia | 55.79 | 59.73 | 1174 | 596 |