| Watertown to Cividale del Friuli | 4,118.02 mi (6,627.31 km) |
| Watertown to Civita Castellana | 4,223.48 mi (6,797.04 km) |
| Watertown to Civitanova Marche | 4,238.93 mi (6,821.89 km) |
| Watertown to Civitavecchia | 4,205.52 mi (6,768.13 km) |
| Watertown to Civitella in Val di Chiana | 4,150.80 mi (6,680.07 km) |
| Watertown to Clusone | 3,985.32 mi (6,413.75 km) |
| Watertown to Coccaglio | 3,998.18 mi (6,434.44 km) |
| Watertown to Codigoro | 4,113.02 mi (6,619.27 km) |
| Watertown to Codogno | 4,001.73 mi (6,440.17 km) |
| Watertown to Codroipo | 4,105.06 mi (6,606.45 km) |
| Watertown to Cogoleto | 3,986.01 mi (6,414.86 km) |
| Watertown to Colle di Val d'Elsa | 4,127.11 mi (6,641.95 km) |
| Watertown to Colle Salvetti | 4,092.32 mi (6,585.95 km) |
| Watertown to Collecchio | 4,038.03 mi (6,498.58 km) |
| Watertown to Colleferro | 4,271.31 mi (6,874.00 km) |
