| Williamsport to Sunset (Florida) | 1,089.93 mi (1,754.08 km) |
| Williamsport to Superior (Colorado) | 1,471.89 mi (2,368.78 km) |
| Williamsport to Superior (Wisconsin) | 835.85 mi (1,345.17 km) |
| Williamsport to Surprise (Arizona) | 1,996.18 mi (3,212.54 km) |
| Williamsport to Susanville (California) | 2,254.60 mi (3,628.42 km) |
| Williamsport to Sussex (Wisconsin) | 586.93 mi (944.57 km) |
| Williamsport to Suwanee (Georgia) | 627.78 mi (1,010.31 km) |
| Williamsport to Swansea (Illinois) | 710.34 mi (1,143.19 km) |
| Williamsport to Sweetwater (Florida) | 1,085.22 mi (1,746.49 km) |
| Williamsport to Sweetwater (Texas) | 1,421.16 mi (2,287.14 km) |
| Williamsport to Sycamore (Illinois) | 603.30 mi (970.92 km) |
| Williamsport to Sylacauga (Alabama) | 752.68 mi (1,211.31 km) |
| Williamsport to Sylvania (Ohio) | 346.84 mi (558.19 km) |
| Williamsport to Syosset (New York) | 186.56 mi (300.24 km) |
| Williamsport to Syracuse (New York) | 132.57 mi (213.35 km) |
