| Harlau to Cividale del Friuli | 643.64 mi (1,035.83 km) |
| Harlau to Civita Castellana | 792.09 mi (1,274.74 km) |
| Harlau to Civitanova Marche | 699.26 mi (1,125.35 km) |
| Harlau to Civitavecchia | 825.79 mi (1,328.97 km) |
| Harlau to Civitella in Val di Chiana | 785.66 mi (1,264.39 km) |
| Harlau to Clusone | 809.78 mi (1,303.22 km) |
| Harlau to Coccaglio | 813.97 mi (1,309.96 km) |
| Harlau to Codigoro | 729.50 mi (1,174.01 km) |
| Harlau to Codogno | 834.44 mi (1,342.90 km) |
| Harlau to Codroipo | 667.03 mi (1,073.48 km) |
| Harlau to Cogoleto | 900.56 mi (1,449.32 km) |
| Harlau to Colle di Val d'Elsa | 812.54 mi (1,307.66 km) |
| Harlau to Colle Salvetti | 836.31 mi (1,345.90 km) |
| Harlau to Collecchio | 819.37 mi (1,318.65 km) |
| Harlau to Colleferro | 787.24 mi (1,266.94 km) |
