| Watertown to Selargius | 4,203.73 mi (6,765.26 km) |
| Watertown to Selvazzano Dentro | 4,078.60 mi (6,563.87 km) |
| Watertown to Senago | 3,962.73 mi (6,377.39 km) |
| Watertown to Senigallia | 4,201.46 mi (6,761.60 km) |
| Watertown to Seravezza | 4,066.77 mi (6,544.84 km) |
| Watertown to Seregno | 3,963.05 mi (6,377.92 km) |
| Watertown to Seriate | 3,983.06 mi (6,410.11 km) |
| Watertown to Sermoneta | 4,277.22 mi (6,883.52 km) |
| Watertown to Serramanna | 4,186.59 mi (6,737.66 km) |
| Watertown to Serravalle Pistoiese | 4,095.54 mi (6,591.14 km) |
| Watertown to Sessa Aurunca | 4,329.99 mi (6,968.45 km) |
| Watertown to Sesto Calende | 3,936.72 mi (6,335.54 km) |
| Watertown to Sesto Fiorentino | 4,113.33 mi (6,619.76 km) |
| Watertown to Sesto San Giovanni | 3,968.66 mi (6,386.94 km) |
| Watertown to Sestri Levante | 4,021.52 mi (6,472.01 km) |
