| Watertown Town to Candler-McAfee (Georgia) | 927.75 mi (1,493.07 km) |
| Watertown Town to Caño Martin Peña (Puerto Rico) | 1,681.18 mi (2,705.60 km) |
| Watertown Town to Cañon City (Colorado) | 1,799.25 mi (2,895.61 km) |
| Watertown Town to Canóvanas (Puerto Rico) | 1,686.97 mi (2,714.92 km) |
| Watertown Town to Canton (Georgia) | 912.43 mi (1,468.41 km) |
| Watertown Town to Canton (Illinois) | 982.53 mi (1,581.23 km) |
| Watertown Town to Canton (Mississippi) | 1,230.34 mi (1,980.05 km) |
| Watertown Town to Canton (Ohio) | 537.19 mi (864.52 km) |
| Watertown Town to Canyon (Texas) | 1,723.96 mi (2,774.44 km) |
| Watertown Town to Canyon Lake (California) | 2,546.25 mi (4,097.79 km) |
| Watertown Town to Canyon Lake (Texas) | 1,729.56 mi (2,783.46 km) |
| Watertown Town to Cape Coral (Florida) | 1,246.53 mi (2,006.09 km) |
| Watertown Town to Cape Girardeau (Missouri) | 1,033.42 mi (1,663.13 km) |
| Watertown Town to Carbondale (Illinois) | 1,004.76 mi (1,617.01 km) |
| Watertown Town to Carlisle (Pennsylvania) | 346.82 mi (558.16 km) |
