| Plymstock to Cividale del Friuli | 856.03 mi (1,377.64 km) |
| Plymstock to Civita Castellana | 960.90 mi (1,546.41 km) |
| Plymstock to Civitanova Marche | 969.86 mi (1,560.84 km) |
| Plymstock to Civitavecchia | 946.64 mi (1,523.46 km) |
| Plymstock to Civitella in Val di Chiana | 884.40 mi (1,423.31 km) |
| Plymstock to Clusone | 716.06 mi (1,152.39 km) |
| Plymstock to Coccaglio | 728.73 mi (1,172.78 km) |
| Plymstock to Codigoro | 843.67 mi (1,357.75 km) |
| Plymstock to Codogno | 732.88 mi (1,179.45 km) |
| Plymstock to Codroipo | 840.90 mi (1,353.29 km) |
| Plymstock to Cogoleto | 723.12 mi (1,163.74 km) |
| Plymstock to Colle di Val d'Elsa | 862.29 mi (1,387.72 km) |
| Plymstock to Colle Salvetti | 828.32 mi (1,333.06 km) |
| Plymstock to Collecchio | 769.59 mi (1,238.53 km) |
| Plymstock to Colleferro | 1,009.99 mi (1,625.42 km) |
