| Watertown Town to Somerset (New Jersey) | 214.87 mi (345.80 km) |
| Watertown Town to Somersworth (New Hampshire) | 62.80 mi (101.07 km) |
| Watertown Town to Somerton (Arizona) | 2,450.83 mi (3,944.23 km) |
| Watertown Town to Somerville (Massachusetts) | 4.14 mi (6.66 km) |
| Watertown Town to Somerville (New Jersey) | 216.86 mi (349.00 km) |
| Watertown Town to Sonoma (California) | 2,674.79 mi (4,304.66 km) |
| Watertown Town to Soquel (California) | 2,684.74 mi (4,320.68 km) |
| Watertown Town to South Bend (Indiana) | 775.10 mi (1,247.41 km) |
| Watertown Town to South Bradenton (Florida) | 1,213.40 mi (1,952.78 km) |
| Watertown Town to South Burlington (Vermont) | 177.21 mi (285.19 km) |
| Watertown Town to South Charleston (West Virginia) | 620.10 mi (997.95 km) |
| Watertown Town to South Daytona (Florida) | 1,064.06 mi (1,712.44 km) |
| Watertown Town to South El Monte (California) | 2,574.93 mi (4,143.95 km) |
| Watertown Town to South Elgin (Illinois) | 876.28 mi (1,410.24 km) |
| Watertown Town to South Euclid (Ohio) | 534.59 mi (860.34 km) |
