| Niederkassel to Cassino | 720.58 mi (1,159.65 km) |
| Niederkassel to Castagneto Carducci | 554.48 mi (892.34 km) |
| Niederkassel to Castano Primo | 372.52 mi (599.52 km) |
| Niederkassel to Castel Bolognese | 500.82 mi (805.99 km) |
| Niederkassel to Castel Gandolfo | 681.19 mi (1,096.26 km) |
| Niederkassel to Castel Goffredo | 412.98 mi (664.63 km) |
| Niederkassel to Castel Maggiore | 476.34 mi (766.60 km) |
| Niederkassel to Castel Mella | 394.34 mi (634.63 km) |
| Niederkassel to Castel San Giorgio | 784.48 mi (1,262.49 km) |
| Niederkassel to Castel San Giovanni | 413.58 mi (665.59 km) |
| Niederkassel to Castel San Pietro Terme | 491.18 mi (790.47 km) |
| Niederkassel to Castel Volturno | 750.73 mi (1,208.19 km) |
| Niederkassel to Castelbuono | 955.04 mi (1,537.00 km) |
| Niederkassel to Casteldaccia | 937.67 mi (1,509.03 km) |
| Niederkassel to Castelfidardo | 592.56 mi (953.64 km) |
