| Altensteig to Cartagena | 898.50 mi (1,446.00 km) |
| Altensteig to Cartama | 1,057.79 mi (1,702.35 km) |
| Altensteig to Cartaya | 1,111.65 mi (1,789.02 km) |
| Altensteig to Caspe | 660.02 mi (1,062.21 km) |
| Altensteig to Cassa de la Selva | 539.87 mi (868.83 km) |
| Altensteig to Castalla | 830.42 mi (1,336.44 km) |
| Altensteig to Castellbisbal | 587.61 mi (945.66 km) |
| Altensteig to Castelldefels | 599.44 mi (964.70 km) |
| Altensteig to Castello de Ampurias | 512.61 mi (824.96 km) |
| Altensteig to Castellon de la Plana | 731.02 mi (1,176.47 km) |
| Altensteig to Castilleja de la Cuesta | 1,067.76 mi (1,718.39 km) |
| Altensteig to Catarroja | 775.45 mi (1,247.96 km) |
| Altensteig to Catral | 860.15 mi (1,384.28 km) |
| Altensteig to Caudete | 832.97 mi (1,340.53 km) |
| Altensteig to Cehegin | 892.11 mi (1,435.71 km) |
