| Herdecke to Cassino | 748.10 mi (1,203.96 km) |
| Herdecke to Castagneto Carducci | 587.76 mi (945.91 km) |
| Herdecke to Castano Primo | 408.77 mi (657.84 km) |
| Herdecke to Castel Bolognese | 529.38 mi (851.96 km) |
| Herdecke to Castel Gandolfo | 711.07 mi (1,144.36 km) |
| Herdecke to Castel Goffredo | 444.03 mi (714.60 km) |
| Herdecke to Castel Maggiore | 505.78 mi (813.97 km) |
| Herdecke to Castel Mella | 426.16 mi (685.84 km) |
| Herdecke to Castel San Giorgio | 811.03 mi (1,305.23 km) |
| Herdecke to Castel San Giovanni | 448.25 mi (721.39 km) |
| Herdecke to Castel San Pietro Terme | 520.24 mi (837.25 km) |
| Herdecke to Castel Volturno | 778.63 mi (1,253.08 km) |
| Herdecke to Castelbuono | 985.43 mi (1,585.89 km) |
| Herdecke to Casteldaccia | 968.94 mi (1,559.35 km) |
| Herdecke to Castelfidardo | 617.77 mi (994.20 km) |
