| Watertown Town to Central Point (Oregon) | 2,598.29 mi (4,181.55 km) |
| Watertown Town to Centralia (Illinois) | 978.23 mi (1,574.31 km) |
| Watertown Town to Centralia (Washington) | 2,521.60 mi (4,058.13 km) |
| Watertown Town to Centreville (Virginia) | 408.96 mi (658.16 km) |
| Watertown Town to Ceres (California) | 2,618.50 mi (4,214.07 km) |
| Watertown Town to Cerritos (California) | 2,581.69 mi (4,154.83 km) |
| Watertown Town to Chalco (Nebraska) | 1,283.99 mi (2,066.39 km) |
| Watertown Town to Chalmette (Louisiana) | 1,349.46 mi (2,171.75 km) |
| Watertown Town to Chambersburg (Pennsylvania) | 376.66 mi (606.17 km) |
| Watertown Town to Chamblee (Georgia) | 921.42 mi (1,482.89 km) |
| Watertown Town to Champaign (Illinois) | 900.18 mi (1,448.70 km) |
| Watertown Town to Champlin (Minnesota) | 1,121.34 mi (1,804.63 km) |
| Watertown Town to Chandler (Arizona) | 2,283.14 mi (3,674.37 km) |
| Watertown Town to Chanhassen (Minnesota) | 1,129.18 mi (1,817.25 km) |
| Watertown Town to Channahon (Illinois) | 879.52 mi (1,415.45 km) |
