| Altensteig to Castelli Calepio | 212.93 mi (342.68 km) |
| Altensteig to Castelnovo ne' Monti | 299.36 mi (481.77 km) |
| Altensteig to Castelnuovo Berardenga | 387.77 mi (624.05 km) |
| Altensteig to Castelnuovo di Porto | 484.15 mi (779.16 km) |
| Altensteig to Castelnuovo di Verona | 240.47 mi (387.00 km) |
| Altensteig to Castelnuovo Rangone | 299.98 mi (482.78 km) |
| Altensteig to Castelvetrano | 782.05 mi (1,258.59 km) |
| Altensteig to Castelvetro di Modena | 303.51 mi (488.45 km) |
| Altensteig to Castenaso | 312.81 mi (503.42 km) |
| Altensteig to Castenedolo | 229.55 mi (369.43 km) |
| Altensteig to Castiglion Fiorentino | 395.55 mi (636.58 km) |
| Altensteig to Castiglione del Lago | 411.14 mi (661.67 km) |
| Altensteig to Castiglione delle Stiviere | 237.57 mi (382.33 km) |
| Altensteig to Castrolibero | 742.74 mi (1,195.32 km) |
| Altensteig to Castrovillari | 712.41 mi (1,146.51 km) |
