| Hudson to Cividale del Friuli | 4,455.71 mi (7,170.78 km) |
| Hudson to Civita Castellana | 4,562.17 mi (7,342.11 km) |
| Hudson to Civitanova Marche | 4,577.43 mi (7,366.66 km) |
| Hudson to Civitavecchia | 4,544.21 mi (7,313.20 km) |
| Hudson to Civitella in Val di Chiana | 4,489.43 mi (7,225.05 km) |
| Hudson to Clusone | 4,323.64 mi (6,958.22 km) |
| Hudson to Coccaglio | 4,336.57 mi (6,979.04 km) |
| Hudson to Codigoro | 4,451.36 mi (7,163.77 km) |
| Hudson to Codogno | 4,340.25 mi (6,984.95 km) |
| Hudson to Codroipo | 4,442.89 mi (7,150.14 km) |
| Hudson to Cogoleto | 4,324.68 mi (6,959.90 km) |
| Hudson to Colle di Val d'Elsa | 4,465.77 mi (7,186.97 km) |
| Hudson to Colle Salvetti | 4,430.99 mi (7,130.99 km) |
| Hudson to Collecchio | 4,376.57 mi (7,043.41 km) |
| Hudson to Colleferro | 4,610.00 mi (7,419.08 km) |
