| Piraeus to Civita Castellana | 664.80 mi (1,069.89 km) |
| Piraeus to Civitanova Marche | 637.48 mi (1,025.93 km) |
| Piraeus to Civitavecchia | 688.70 mi (1,108.36 km) |
| Piraeus to Civitella in Val di Chiana | 729.55 mi (1,174.10 km) |
| Piraeus to Clusone | 890.60 mi (1,433.29 km) |
| Piraeus to Coccaglio | 877.54 mi (1,412.26 km) |
| Piraeus to Codigoro | 762.84 mi (1,227.67 km) |
| Piraeus to Codogno | 874.58 mi (1,407.50 km) |
| Piraeus to Codroipo | 778.09 mi (1,252.21 km) |
| Piraeus to Cogoleto | 896.40 mi (1,442.62 km) |
| Piraeus to Colle di Val d'Elsa | 755.26 mi (1,215.47 km) |
| Piraeus to Colle Salvetti | 790.62 mi (1,272.37 km) |
| Piraeus to Collecchio | 838.82 mi (1,349.95 km) |
| Piraeus to Colleferro | 621.22 mi (999.76 km) |
| Piraeus to Collegno | 964.21 mi (1,551.75 km) |
