| Grudziadz to Cividale del Friuli | 562.54 mi (905.31 km) |
| Grudziadz to Civita Castellana | 826.43 mi (1,330.02 km) |
| Grudziadz to Civitanova Marche | 740.17 mi (1,191.18 km) |
| Grudziadz to Civitavecchia | 849.47 mi (1,367.10 km) |
| Grudziadz to Civitella in Val di Chiana | 766.05 mi (1,232.84 km) |
| Grudziadz to Clusone | 655.45 mi (1,054.85 km) |
| Grudziadz to Coccaglio | 673.25 mi (1,083.49 km) |
| Grudziadz to Codigoro | 668.27 mi (1,075.48 km) |
| Grudziadz to Codogno | 703.90 mi (1,132.82 km) |
| Grudziadz to Codroipo | 579.96 mi (933.35 km) |
| Grudziadz to Cogoleto | 776.63 mi (1,249.86 km) |
| Grudziadz to Colle di Val d'Elsa | 778.58 mi (1,253.00 km) |
| Grudziadz to Colle Salvetti | 779.75 mi (1,254.89 km) |
| Grudziadz to Collecchio | 715.50 mi (1,151.48 km) |
| Grudziadz to Colleferro | 854.30 mi (1,374.86 km) |
