| Watertown Town to Cividale del Friuli | 3,989.71 mi (6,420.82 km) |
| Watertown Town to Civita Castellana | 4,078.74 mi (6,564.09 km) |
| Watertown Town to Civitanova Marche | 4,100.28 mi (6,598.76 km) |
| Watertown Town to Civitavecchia | 4,058.96 mi (6,532.27 km) |
| Watertown Town to Civitella in Val di Chiana | 4,009.05 mi (6,451.95 km) |
| Watertown Town to Clusone | 3,850.33 mi (6,196.50 km) |
| Watertown Town to Coccaglio | 3,861.93 mi (6,215.17 km) |
| Watertown Town to Codigoro | 3,977.45 mi (6,401.08 km) |
| Watertown Town to Codogno | 3,863.41 mi (6,217.55 km) |
| Watertown Town to Codroipo | 3,975.43 mi (6,397.83 km) |
| Watertown Town to Cogoleto | 3,842.85 mi (6,184.46 km) |
| Watertown Town to Colle di Val d'Elsa | 3,984.29 mi (6,412.09 km) |
| Watertown Town to Colle Salvetti | 3,949.15 mi (6,355.54 km) |
| Watertown Town to Collecchio | 3,898.91 mi (6,274.70 km) |
| Watertown Town to Colleferro | 4,125.57 mi (6,639.47 km) |
