| Watertown Town to San Clemente (California) | 2,571.65 mi (4,138.67 km) |
| Watertown Town to San Diego (California) | 2,566.88 mi (4,130.99 km) |
| Watertown Town to San Diego Country Estates (California) | 2,543.94 mi (4,094.08 km) |
| Watertown Town to San Dimas (California) | 2,560.88 mi (4,121.33 km) |
| Watertown Town to San Fernando (California) | 2,587.20 mi (4,163.70 km) |
| Watertown Town to San Francisco (California) | 2,688.55 mi (4,326.80 km) |
| Watertown Town to San Gabriel (California) | 2,576.08 mi (4,145.80 km) |
| Watertown Town to San Germán (Puerto Rico) | 1,695.57 mi (2,728.76 km) |
| Watertown Town to San Jacinto (California) | 2,529.00 mi (4,070.04 km) |
| Watertown Town to San Jose (California) | 2,671.17 mi (4,298.83 km) |
| Watertown Town to San Juan (Puerto Rico) | 1,683.28 mi (2,708.98 km) |
| Watertown Town to San Juan (Texas) | 1,889.26 mi (3,040.47 km) |
| Watertown Town to San Juan Capistrano (California) | 2,572.27 mi (4,139.66 km) |
| Watertown Town to San Leandro (California) | 2,675.59 mi (4,305.94 km) |
| Watertown Town to San Lorenzo (California) | 2,675.18 mi (4,305.29 km) |
