| Hardenberg to Cortona | 687.97 mi (1,107.18 km) |
| Hardenberg to Cosenza | 1,024.81 mi (1,649.26 km) |
| Hardenberg to Cossato | 488.68 mi (786.46 km) |
| Hardenberg to Costa Volpino | 491.11 mi (790.36 km) |
| Hardenberg to Creazzo | 533.29 mi (858.26 km) |
| Hardenberg to Crema | 516.43 mi (831.11 km) |
| Hardenberg to Cremona | 536.42 mi (863.28 km) |
| Hardenberg to Crevalcore | 580.24 mi (933.80 km) |
| Hardenberg to Crispiano | 966.12 mi (1,554.82 km) |
| Hardenberg to Crosia | 1,019.27 mi (1,640.35 km) |
| Hardenberg to Crotone | 1,057.44 mi (1,701.78 km) |
| Hardenberg to Cuneo | 567.02 mi (912.53 km) |
| Hardenberg to Cuorgne | 498.08 mi (801.58 km) |
| Hardenberg to Cusano Milanino | 498.45 mi (802.18 km) |
| Hardenberg to Cutro | 1,057.61 mi (1,702.05 km) |
