| Watertown Town to Solofra | 4,239.25 mi (6,822.42 km) |
| Watertown Town to Somma Lombardo | 3,803.42 mi (6,121.02 km) |
| Watertown Town to Somma Vesuviana | 4,219.64 mi (6,790.85 km) |
| Watertown Town to Sommacampagna | 3,904.44 mi (6,283.58 km) |
| Watertown Town to Sona | 3,902.62 mi (6,280.66 km) |
| Watertown Town to Sondrio | 3,837.69 mi (6,176.16 km) |
| Watertown Town to Sora | 4,152.48 mi (6,682.77 km) |
| Watertown Town to Sorbolo | 3,905.68 mi (6,285.58 km) |
| Watertown Town to Soresina | 3,865.78 mi (6,221.38 km) |
| Watertown Town to Sorisole | 3,842.55 mi (6,183.98 km) |
| Watertown Town to Sorrento | 4,225.99 mi (6,801.07 km) |
| Watertown Town to Sorso | 3,961.06 mi (6,374.71 km) |
| Watertown Town to Sortino | 4,388.10 mi (7,061.96 km) |
| Watertown Town to Soverato Marina | 4,396.80 mi (7,075.97 km) |
| Watertown Town to Sovicille | 3,992.67 mi (6,425.59 km) |
