| Portchester to Castrovillari | 1,129.81 mi (1,818.25 km) |
| Portchester to Catania | 1,217.32 mi (1,959.09 km) |
| Portchester to Catanzaro | 1,191.57 mi (1,917.64 km) |
| Portchester to Cattolica | 801.22 mi (1,289.43 km) |
| Portchester to Cava de' Tirreni | 1,031.56 mi (1,660.14 km) |
| Portchester to Cavallino | 1,177.89 mi (1,895.63 km) |
| Portchester to Cavarzere | 725.05 mi (1,166.85 km) |
| Portchester to Cave | 912.81 mi (1,469.03 km) |
| Portchester to Cavriago | 686.35 mi (1,104.57 km) |
| Portchester to Cavriglia | 776.91 mi (1,250.32 km) |
| Portchester to Cazzago San Martino | 627.78 mi (1,010.31 km) |
| Portchester to Ceccano | 939.47 mi (1,511.93 km) |
| Portchester to Cecina | 753.42 mi (1,212.52 km) |
| Portchester to Cefalu | 1,153.35 mi (1,856.13 km) |
| Portchester to Ceglie Messapico | 1,135.52 mi (1,827.45 km) |
