| Williamstown to Selargius | 4,304.14 mi (6,926.85 km) |
| Williamstown to Selvazzano Dentro | 4,213.39 mi (6,780.79 km) |
| Williamstown to Senago | 4,093.37 mi (6,587.64 km) |
| Williamstown to Senigallia | 4,331.46 mi (6,970.82 km) |
| Williamstown to Seravezza | 4,192.00 mi (6,746.38 km) |
| Williamstown to Seregno | 4,094.15 mi (6,588.89 km) |
| Williamstown to Seriate | 4,115.30 mi (6,622.93 km) |
| Williamstown to Sermoneta | 4,396.93 mi (7,076.18 km) |
| Williamstown to Serramanna | 4,287.24 mi (6,899.65 km) |
| Williamstown to Serravalle Pistoiese | 4,221.52 mi (6,793.88 km) |
| Williamstown to Sessa Aurunca | 4,450.39 mi (7,162.22 km) |
| Williamstown to Sesto Calende | 4,067.15 mi (6,545.44 km) |
| Williamstown to Sesto Fiorentino | 4,239.74 mi (6,823.20 km) |
| Williamstown to Sesto San Giovanni | 4,099.25 mi (6,597.11 km) |
| Williamstown to Sestri Levante | 4,146.36 mi (6,672.93 km) |
