| Williamsport to Selargius | 4,345.12 mi (6,992.80 km) |
| Williamsport to Selvazzano Dentro | 4,235.91 mi (6,817.03 km) |
| Williamsport to Senago | 4,118.09 mi (6,627.42 km) |
| Williamsport to Senigallia | 4,356.72 mi (7,011.46 km) |
| Williamsport to Seravezza | 4,219.76 mi (6,791.05 km) |
| Williamsport to Seregno | 4,118.62 mi (6,628.28 km) |
| Williamsport to Seriate | 4,139.15 mi (6,661.32 km) |
| Williamsport to Sermoneta | 4,427.84 mi (7,125.91 km) |
| Williamsport to Serramanna | 4,328.08 mi (6,965.37 km) |
| Williamsport to Serravalle Pistoiese | 4,248.90 mi (6,837.94 km) |
| Williamsport to Sessa Aurunca | 4,480.97 mi (7,211.42 km) |
| Williamsport to Sesto Calende | 4,091.97 mi (6,585.38 km) |
| Williamsport to Sesto Fiorentino | 4,266.89 mi (6,866.90 km) |
| Williamsport to Sesto San Giovanni | 4,124.00 mi (6,636.94 km) |
| Williamsport to Sestri Levante | 4,174.30 mi (6,717.88 km) |
