| Duffel to Cassino | 797.20 mi (1,282.97 km) |
| Duffel to Castagneto Carducci | 617.73 mi (994.14 km) |
| Duffel to Castano Primo | 430.14 mi (692.24 km) |
| Duffel to Castel Bolognese | 577.60 mi (929.56 km) |
| Duffel to Castel Gandolfo | 752.45 mi (1,210.94 km) |
| Duffel to Castel Goffredo | 485.44 mi (781.24 km) |
| Duffel to Castel Maggiore | 551.48 mi (887.53 km) |
| Duffel to Castel Mella | 465.26 mi (748.76 km) |
| Duffel to Castel San Giorgio | 862.81 mi (1,388.56 km) |
| Duffel to Castel San Giovanni | 475.41 mi (765.09 km) |
| Duffel to Castel San Pietro Terme | 566.95 mi (912.41 km) |
| Duffel to Castel Volturno | 826.27 mi (1,329.76 km) |
| Duffel to Castelbuono | 1,022.95 mi (1,646.28 km) |
| Duffel to Casteldaccia | 1,003.19 mi (1,614.48 km) |
| Duffel to Castelfidardo | 675.33 mi (1,086.83 km) |
