| Horb am Neckar to Castelli Calepio | 202.45 mi (325.81 km) |
| Horb am Neckar to Castelnovo ne' Monti | 288.88 mi (464.90 km) |
| Horb am Neckar to Castelnuovo Berardenga | 377.25 mi (607.12 km) |
| Horb am Neckar to Castelnuovo di Porto | 473.63 mi (762.24 km) |
| Horb am Neckar to Castelnuovo di Verona | 229.97 mi (370.10 km) |
| Horb am Neckar to Castelnuovo Rangone | 289.46 mi (465.85 km) |
| Horb am Neckar to Castelvetrano | 771.57 mi (1,241.73 km) |
| Horb am Neckar to Castelvetro di Modena | 292.99 mi (471.52 km) |
| Horb am Neckar to Castenaso | 302.33 mi (486.55 km) |
| Horb am Neckar to Castenedolo | 219.03 mi (352.50 km) |
| Horb am Neckar to Castiglion Fiorentino | 385.04 mi (619.67 km) |
| Horb am Neckar to Castiglione del Lago | 400.63 mi (644.76 km) |
| Horb am Neckar to Castiglione delle Stiviere | 227.05 mi (365.40 km) |
| Horb am Neckar to Castrolibero | 732.42 mi (1,178.72 km) |
| Horb am Neckar to Castrovillari | 702.14 mi (1,129.98 km) |
