| Watertown Town to Camarillo (California) | 2,619.60 mi (4,215.85 km) |
| Watertown Town to Camas (Washington) | 2,514.12 mi (4,046.09 km) |
| Watertown Town to Cambridge (Maryland) | 368.65 mi (593.28 km) |
| Watertown Town to Cambridge (Massachusetts) | 3.03 mi (4.88 km) |
| Watertown Town to Camden (Arkansas) | 1,322.49 mi (2,128.34 km) |
| Watertown Town to Camden (New Jersey) | 264.67 mi (425.95 km) |
| Watertown Town to Cameron Park (California) | 2,591.06 mi (4,169.90 km) |
| Watertown Town to Camp Pendleton South (California) | 2,567.57 mi (4,132.11 km) |
| Watertown Town to Camp Springs (Maryland) | 389.01 mi (626.05 km) |
| Watertown Town to Camp Verde (Arizona) | 2,242.89 mi (3,609.57 km) |
| Watertown Town to Campbell (California) | 2,677.08 mi (4,308.35 km) |
| Watertown Town to Campbellsville (Kentucky) | 826.68 mi (1,330.41 km) |
| Watertown Town to Campton Hills (Illinois) | 881.91 mi (1,419.29 km) |
| Watertown Town to Canby (Oregon) | 2,531.80 mi (4,074.54 km) |
| Watertown Town to Candelaria (Puerto Rico) | 1,681.28 mi (2,705.75 km) |
