| Watertown Town to Collegno | 3,774.07 mi (6,073.78 km) |
| Watertown Town to Cologno al Serio | 3,849.40 mi (6,195.01 km) |
| Watertown Town to Cologno Monzese | 3,833.14 mi (6,168.85 km) |
| Watertown Town to Colorno | 3,899.98 mi (6,276.41 km) |
| Watertown Town to Comacchio | 3,984.84 mi (6,412.99 km) |
| Watertown Town to Comiso | 4,376.89 mi (7,043.93 km) |
| Watertown Town to Como | 3,815.88 mi (6,141.07 km) |
| Watertown Town to Concordia Sagittaria | 3,976.66 mi (6,399.82 km) |
| Watertown Town to Concorezzo | 3,833.64 mi (6,169.64 km) |
| Watertown Town to Conegliano | 3,949.40 mi (6,355.94 km) |
| Watertown Town to Conselice | 3,976.16 mi (6,399.01 km) |
| Watertown Town to Conselve | 3,953.23 mi (6,362.11 km) |
| Watertown Town to Conversano | 4,333.08 mi (6,973.42 km) |
| Watertown Town to Copertino | 4,400.74 mi (7,082.31 km) |
| Watertown Town to Copparo | 3,963.10 mi (6,377.99 km) |
