| Holzminden to Castelli Calepio | 428.62 mi (689.80 km) |
| Holzminden to Castelnovo ne' Monti | 512.91 mi (825.45 km) |
| Holzminden to Castelnuovo Berardenga | 593.79 mi (955.60 km) |
| Holzminden to Castelnuovo di Porto | 685.06 mi (1,102.50 km) |
| Holzminden to Castelnuovo di Verona | 446.01 mi (717.78 km) |
| Holzminden to Castelnuovo Rangone | 507.58 mi (816.87 km) |
| Holzminden to Castelvetrano | 990.83 mi (1,594.58 km) |
| Holzminden to Castelvetro di Modena | 511.11 mi (822.55 km) |
| Holzminden to Castenaso | 514.22 mi (827.56 km) |
| Holzminden to Castenedolo | 441.08 mi (709.85 km) |
| Holzminden to Castiglion Fiorentino | 597.42 mi (961.45 km) |
| Holzminden to Castiglione del Lago | 612.53 mi (985.78 km) |
| Holzminden to Castiglione delle Stiviere | 446.83 mi (719.10 km) |
| Holzminden to Castrolibero | 923.20 mi (1,485.74 km) |
| Holzminden to Castrovillari | 890.47 mi (1,433.07 km) |
