| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
|---|
| Slaapkop | city | | South Africa | -31.6833333 | 25.85 | 4452 | 299 |
| Slabberts | city | Free State | South Africa | -28.4333333 | 28.1833333 | 5656 | 1916 |
| Slagboom | city | | South Africa | -25.0269444 | 28.058333 | 3625 | 20486 |
| Slagterskop | city | Free State | South Africa | -30.2 | 25.8333333 | 4911 | 353 |
| Slangfontein | city | Free State | South Africa | -29.4166667 | 26.55 | 4698 | 647 |
| Slanghoek | city | | South Africa | -33.6333333 | 19.2166667 | 944 | 4008 |
| Slaters | city | Province of KwaZulu-Natal | South Africa | -30.6333333 | 29.75 | 3228 | 17332 |
| Slaters Store | city | Province of KwaZulu-Natal | South Africa | -30.6333333 | 29.75 | 3228 | 17332 |
| Slates Drift | city | Province of KwaZulu-Natal | South Africa | -27.8 | 30.2666667 | 3851 | 29632 |
| Sleeohoek | city | | South Africa | -31.65 | 26.3166667 | 4494 | 496 |
| Sleutelfontein | city | | South Africa | -25.05 | 28.9333333 | 3182 | 28128 |
| Slough | city | | South Africa | -26.7833333 | 23.35 | 3507 | 1782 |
| Slurry | city | | South Africa | -25.8166667 | 25.85 | 4632 | 708 |
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