| Holzminden to Civita Castellana | 673.15 mi (1,083.32 km) |
| Holzminden to Civitanova Marche | 622.00 mi (1,001.02 km) |
| Holzminden to Civitavecchia | 681.24 mi (1,096.36 km) |
| Holzminden to Civitella in Val di Chiana | 590.72 mi (950.68 km) |
| Holzminden to Clusone | 411.49 mi (662.22 km) |
| Holzminden to Coccaglio | 433.64 mi (697.87 km) |
| Holzminden to Codigoro | 498.61 mi (802.44 km) |
| Holzminden to Codogno | 460.98 mi (741.88 km) |
| Holzminden to Codroipo | 435.83 mi (701.39 km) |
| Holzminden to Cogoleto | 515.40 mi (829.45 km) |
| Holzminden to Colle di Val d'Elsa | 587.66 mi (945.74 km) |
| Holzminden to Colle Salvetti | 570.63 mi (918.35 km) |
| Holzminden to Collecchio | 490.43 mi (789.26 km) |
| Holzminden to Colleferro | 717.50 mi (1,154.71 km) |
| Holzminden to Collegno | 474.34 mi (763.38 km) |
