| Hardenberg to Castrovillari | 991.06 mi (1,594.95 km) |
| Hardenberg to Catania | 1,118.37 mi (1,799.85 km) |
| Hardenberg to Catanzaro | 1,057.63 mi (1,702.09 km) |
| Hardenberg to Cattolica | 656.86 mi (1,057.12 km) |
| Hardenberg to Cava de' Tirreni | 903.82 mi (1,454.56 km) |
| Hardenberg to Cavallino | 1,007.46 mi (1,621.35 km) |
| Hardenberg to Cavarzere | 569.91 mi (917.18 km) |
| Hardenberg to Cave | 799.02 mi (1,285.90 km) |
| Hardenberg to Cavriago | 571.98 mi (920.52 km) |
| Hardenberg to Cavriglia | 664.09 mi (1,068.76 km) |
| Hardenberg to Cazzago San Martino | 506.53 mi (815.19 km) |
| Hardenberg to Ceccano | 822.27 mi (1,323.31 km) |
| Hardenberg to Cecina | 663.86 mi (1,068.38 km) |
| Hardenberg to Cefalu | 1,065.25 mi (1,714.35 km) |
| Hardenberg to Ceglie Messapico | 969.62 mi (1,560.45 km) |
