| Watertown Town to Cibolo (Texas) | 1,740.39 mi (2,800.90 km) |
| Watertown Town to Cicero (Illinois) | 849.41 mi (1,366.99 km) |
| Watertown Town to Cimarron Hills (Colorado) | 1,763.25 mi (2,837.68 km) |
| Watertown Town to Cincinnati (Ohio) | 731.47 mi (1,177.19 km) |
| Watertown Town to Cinco Ranch (Texas) | 1,617.79 mi (2,603.59 km) |
| Watertown Town to Circleville (Ohio) | 641.55 mi (1,032.48 km) |
| Watertown Town to Citrus (California) | 2,564.72 mi (4,127.51 km) |
| Watertown Town to Citrus Heights (California) | 2,605.55 mi (4,193.23 km) |
| Watertown Town to Citrus Park (Florida) | 1,176.00 mi (1,892.58 km) |
| Watertown Town to Claiborne (Louisiana) | 1,332.76 mi (2,144.87 km) |
| Watertown Town to Claremont (California) | 2,555.55 mi (4,112.75 km) |
| Watertown Town to Claremont (New Hampshire) | 91.14 mi (146.67 km) |
| Watertown Town to Claremore (Oklahoma) | 1,365.35 mi (2,197.32 km) |
| Watertown Town to Clarksburg (Maryland) | 385.39 mi (620.22 km) |
| Watertown Town to Clarksburg (West Virginia) | 523.11 mi (841.86 km) |
