| Prudhoe to Cividale del Friuli | 904.92 mi (1,456.33 km) |
| Prudhoe to Civita Castellana | 1,086.31 mi (1,748.25 km) |
| Prudhoe to Civitanova Marche | 1,065.41 mi (1,714.61 km) |
| Prudhoe to Civitavecchia | 1,081.97 mi (1,741.26 km) |
| Prudhoe to Civitella in Val di Chiana | 1,002.04 mi (1,612.63 km) |
| Prudhoe to Clusone | 812.13 mi (1,307.00 km) |
| Prudhoe to Coccaglio | 831.07 mi (1,337.48 km) |
| Prudhoe to Codigoro | 932.54 mi (1,500.77 km) |
| Prudhoe to Codogno | 846.95 mi (1,363.03 km) |
| Prudhoe to Codroipo | 897.66 mi (1,444.64 km) |
| Prudhoe to Cogoleto | 866.10 mi (1,393.86 km) |
| Prudhoe to Colle di Val d'Elsa | 987.50 mi (1,589.22 km) |
| Prudhoe to Colle Salvetti | 958.83 mi (1,543.08 km) |
| Prudhoe to Collecchio | 884.31 mi (1,423.16 km) |
| Prudhoe to Colleferro | 1,135.73 mi (1,827.79 km) |
