| Ciechanow to Cividale del Friuli | 567.75 mi (913.71 km) |
| Ciechanow to Civita Castellana | 823.56 mi (1,325.39 km) |
| Ciechanow to Civitanova Marche | 732.92 mi (1,179.51 km) |
| Ciechanow to Civitavecchia | 849.14 mi (1,366.56 km) |
| Ciechanow to Civitella in Val di Chiana | 770.27 mi (1,239.63 km) |
| Ciechanow to Clusone | 679.68 mi (1,093.83 km) |
| Ciechanow to Coccaglio | 695.66 mi (1,119.55 km) |
| Ciechanow to Codigoro | 675.76 mi (1,087.53 km) |
| Ciechanow to Codogno | 725.63 mi (1,167.78 km) |
| Ciechanow to Codroipo | 587.46 mi (945.42 km) |
| Ciechanow to Cogoleto | 799.66 mi (1,286.93 km) |
| Ciechanow to Colle di Val d'Elsa | 785.76 mi (1,264.56 km) |
| Ciechanow to Colle Salvetti | 790.93 mi (1,272.88 km) |
| Ciechanow to Collecchio | 732.79 mi (1,179.31 km) |
| Ciechanow to Colleferro | 846.87 mi (1,362.90 km) |
