| Castleton to Cividale del Friuli | 863.75 mi (1,390.07 km) |
| Castleton to Civita Castellana | 1,027.77 mi (1,654.03 km) |
| Castleton to Civitanova Marche | 1,014.03 mi (1,631.92 km) |
| Castleton to Civitavecchia | 1,021.02 mi (1,643.17 km) |
| Castleton to Civitella in Val di Chiana | 944.59 mi (1,520.17 km) |
| Castleton to Clusone | 757.46 mi (1,219.02 km) |
| Castleton to Coccaglio | 775.17 mi (1,247.52 km) |
| Castleton to Codigoro | 881.39 mi (1,418.46 km) |
| Castleton to Codogno | 788.46 mi (1,268.91 km) |
| Castleton to Codroipo | 854.30 mi (1,374.87 km) |
| Castleton to Cogoleto | 801.15 mi (1,289.32 km) |
| Castleton to Colle di Val d'Elsa | 928.08 mi (1,493.60 km) |
| Castleton to Colle Salvetti | 897.85 mi (1,444.95 km) |
| Castleton to Collecchio | 826.19 mi (1,329.62 km) |
| Castleton to Colleferro | 1,077.51 mi (1,734.09 km) |
