| Potters Bar to Cividale del Friuli | 727.72 mi (1,171.15 km) |
| Potters Bar to Civita Castellana | 877.43 mi (1,412.08 km) |
| Potters Bar to Civitanova Marche | 868.38 mi (1,397.53 km) |
| Potters Bar to Civitavecchia | 869.41 mi (1,399.19 km) |
| Potters Bar to Civitella in Val di Chiana | 795.11 mi (1,279.60 km) |
| Potters Bar to Clusone | 610.69 mi (982.82 km) |
| Potters Bar to Coccaglio | 627.41 mi (1,009.73 km) |
| Potters Bar to Codigoro | 736.53 mi (1,185.34 km) |
| Potters Bar to Codogno | 638.91 mi (1,028.23 km) |
| Potters Bar to Codroipo | 716.29 mi (1,152.76 km) |
| Potters Bar to Cogoleto | 648.14 mi (1,043.09 km) |
| Potters Bar to Colle di Val d'Elsa | 777.49 mi (1,251.25 km) |
| Potters Bar to Colle Salvetti | 746.50 mi (1,201.38 km) |
| Potters Bar to Collecchio | 676.71 mi (1,089.06 km) |
| Potters Bar to Colleferro | 927.24 mi (1,492.25 km) |
