| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
|---|
| Syberton | city | Pennsylvania | United States | 40.50833 | -78.58306 | 1801 | 6195 |
| Sybertsville | city | Pennsylvania | United States | 41.00139 | -76.07667 | 974 | 10188 |
| Sycamore | city | Pennsylvania | United States | 39.92667 | -80.245 | 997 | 5099 |
| Sycamore Mills | city | Pennsylvania | United States | 39.94583 | -75.42139 | 298 | 48312 |
| Sygan | city | Pennsylvania | United States | 40.35389 | -80.13694 | 990 | 37617 |
| Sygan Hill | city | Pennsylvania | United States | 40.35611 | -80.135 | 898 | 37617 |
| Sykesville | city | Pennsylvania | United States | 41.05028 | -78.8225 | 1397 | 6278 |
| Sylmar | city | Pennsylvania | United States | 39.72306 | -76.02806 | 449 | 10302 |
| Sylvan | city | Pennsylvania | United States | 39.75333 | -78.02194 | 577 | 2323 |
| Sylvan Dell | city | Pennsylvania | United States | 41.23056 | -76.94111 | 498 | 22283 |
| Sylvan Grove | city | Pennsylvania | United States | 41.02944 | -78.15472 | 1525 | 2854 |
| Sylvan Hills | city | Pennsylvania | United States | 40.44611 | -78.385 | 1030 | 25773 |
| Sylvan Hills | city | Pennsylvania | United States | 39.9725 | -76.6125 | 593 | 23578 |
| Sylvan Lane | city | Pennsylvania | United States | 39.74361 | -79.11222 | 2198 | 2051 |
| Sylvania | city | Pennsylvania | United States | 41.805 | -76.85722 | 1295 | 1971 |
| Sylvania Heights | city | Pennsylvania | United States | 39.92917 | -76.66667 | 646 | 78641 |
| Sylvester | city | Pennsylvania | United States | 41.96361 | -77.55917 | 1715 | 1511 |
| Sylvis | city | Pennsylvania | United States | 40.73639 | -78.72306 | 1712 | 2794 |
| Syner | city | Pennsylvania | United States | 40.34917 | -76.58806 | 400 | 17706 |
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