| Koszalin to Cividale del Friuli | 572.63 mi (921.56 km) |
| Koszalin to Civita Castellana | 840.29 mi (1,352.32 km) |
| Koszalin to Civitanova Marche | 761.22 mi (1,225.07 km) |
| Koszalin to Civitavecchia | 859.67 mi (1,383.51 km) |
| Koszalin to Civitella in Val di Chiana | 771.88 mi (1,242.22 km) |
| Koszalin to Clusone | 637.14 mi (1,025.38 km) |
| Koszalin to Coccaglio | 656.97 mi (1,057.30 km) |
| Koszalin to Codigoro | 672.10 mi (1,081.65 km) |
| Koszalin to Codogno | 687.79 mi (1,106.90 km) |
| Koszalin to Codroipo | 586.46 mi (943.81 km) |
| Koszalin to Cogoleto | 757.17 mi (1,218.54 km) |
| Koszalin to Colle di Val d'Elsa | 780.29 mi (1,255.76 km) |
| Koszalin to Colle Salvetti | 776.17 mi (1,249.13 km) |
| Koszalin to Collecchio | 705.13 mi (1,134.79 km) |
| Koszalin to Colleferro | 873.50 mi (1,405.77 km) |
