| Erkrath to Cassino | 747.68 mi (1,203.27 km) |
| Erkrath to Castagneto Carducci | 582.77 mi (937.88 km) |
| Erkrath to Castano Primo | 401.10 mi (645.50 km) |
| Erkrath to Castel Bolognese | 528.13 mi (849.94 km) |
| Erkrath to Castel Gandolfo | 708.86 mi (1,140.80 km) |
| Erkrath to Castel Goffredo | 440.84 mi (709.46 km) |
| Erkrath to Castel Maggiore | 503.86 mi (810.88 km) |
| Erkrath to Castel Mella | 422.34 mi (679.70 km) |
| Erkrath to Castel San Giorgio | 811.32 mi (1,305.70 km) |
| Erkrath to Castel San Giovanni | 442.03 mi (711.38 km) |
| Erkrath to Castel San Pietro Terme | 518.61 mi (834.62 km) |
| Erkrath to Castel Volturno | 777.94 mi (1,251.97 km) |
| Erkrath to Castelbuono | 982.87 mi (1,581.77 km) |
| Erkrath to Casteldaccia | 965.66 mi (1,554.09 km) |
| Erkrath to Castelfidardo | 618.96 mi (996.12 km) |
