| Williamsport to Suffolk (Virginia) | 314.72 mi (506.50 km) |
| Williamsport to Sugar Hill (Georgia) | 624.14 mi (1,004.46 km) |
| Williamsport to Sugar Land (Texas) | 1,315.86 mi (2,117.68 km) |
| Williamsport to Sugarland Run (Virginia) | 153.67 mi (247.32 km) |
| Williamsport to Sugarmill Woods (Florida) | 917.51 mi (1,476.59 km) |
| Williamsport to Suisun City (California) | 2,371.48 mi (3,816.54 km) |
| Williamsport to Suitland (Maryland) | 165.29 mi (266.01 km) |
| Williamsport to Sulphur (Louisiana) | 1,186.61 mi (1,909.66 km) |
| Williamsport to Sulphur Springs (Texas) | 1,162.00 mi (1,870.06 km) |
| Williamsport to Summerfield (Maryland) | 161.63 mi (260.12 km) |
| Williamsport to Summerfield (North Carolina) | 381.00 mi (613.15 km) |
| Williamsport to Summerlin South (Nevada) | 2,078.35 mi (3,344.79 km) |
| Williamsport to Summerville (South Carolina) | 594.84 mi (957.31 km) |
| Williamsport to Summit (Illinois) | 558.51 mi (898.84 km) |
| Williamsport to Summit (New Jersey) | 144.02 mi (231.78 km) |
