| Ronda to Cividale del Friuli | 1,156.10 mi (1,860.56 km) |
| Ronda to Civita Castellana | 1,010.02 mi (1,625.47 km) |
| Ronda to Civitanova Marche | 1,094.71 mi (1,761.76 km) |
| Ronda to Civitavecchia | 976.23 mi (1,571.08 km) |
| Ronda to Civitella in Val di Chiana | 1,002.16 mi (1,612.82 km) |
| Ronda to Clusone | 1,004.38 mi (1,616.40 km) |
| Ronda to Coccaglio | 993.46 mi (1,598.81 km) |
| Ronda to Codigoro | 1,059.81 mi (1,705.61 km) |
| Ronda to Codogno | 967.39 mi (1,556.86 km) |
| Ronda to Codroipo | 1,132.39 mi (1,822.41 km) |
| Ronda to Cogoleto | 895.25 mi (1,440.76 km) |
| Ronda to Colle di Val d'Elsa | 974.61 mi (1,568.48 km) |
| Ronda to Colle Salvetti | 950.30 mi (1,529.36 km) |
| Ronda to Collecchio | 974.55 mi (1,568.39 km) |
| Ronda to Colleferro | 1,030.00 mi (1,657.63 km) |
