| Pornic to Civita Castellana | 785.05 mi (1,263.41 km) |
| Pornic to Civitanova Marche | 813.02 mi (1,308.43 km) |
| Pornic to Civitavecchia | 765.18 mi (1,231.44 km) |
| Pornic to Civitella in Val di Chiana | 717.79 mi (1,155.17 km) |
| Pornic to Clusone | 578.96 mi (931.74 km) |
| Pornic to Coccaglio | 585.57 mi (942.39 km) |
| Pornic to Codigoro | 699.72 mi (1,126.10 km) |
| Pornic to Codogno | 580.64 mi (934.46 km) |
| Pornic to Codroipo | 720.09 mi (1,158.88 km) |
| Pornic to Cogoleto | 550.85 mi (886.50 km) |
| Pornic to Colle di Val d'Elsa | 691.98 mi (1,113.63 km) |
| Pornic to Colle Salvetti | 656.65 mi (1,056.77 km) |
| Pornic to Collecchio | 613.44 mi (987.24 km) |
| Pornic to Colleferro | 831.73 mi (1,338.54 km) |
| Pornic to Collegno | 484.13 mi (779.13 km) |
