| Holzminden to Cosenza | 925.13 mi (1,488.86 km) |
| Holzminden to Cossato | 436.64 mi (702.71 km) |
| Holzminden to Costa Volpino | 415.55 mi (668.76 km) |
| Holzminden to Creazzo | 444.79 mi (715.81 km) |
| Holzminden to Crema | 446.68 mi (718.86 km) |
| Holzminden to Cremona | 463.45 mi (745.85 km) |
| Holzminden to Crevalcore | 497.61 mi (800.83 km) |
| Holzminden to Crispiano | 859.38 mi (1,383.04 km) |
| Holzminden to Crosia | 916.82 mi (1,475.48 km) |
| Holzminden to Crotone | 954.62 mi (1,536.31 km) |
| Holzminden to Cuneo | 521.85 mi (839.83 km) |
| Holzminden to Cuorgne | 452.44 mi (728.14 km) |
| Holzminden to Cusano Milanino | 434.05 mi (698.54 km) |
| Holzminden to Cutro | 955.43 mi (1,537.62 km) |
| Holzminden to Cutrofiano | 910.38 mi (1,465.11 km) |
