| Duffel to Castelfiorentino | 599.21 mi (964.34 km) |
| Duffel to Castelfranco di Sopra | 612.11 mi (985.09 km) |
| Duffel to Castelfranco di Sotto | 588.06 mi (946.39 km) |
| Duffel to Castelfranco Emilia | 541.51 mi (871.48 km) |
| Duffel to Castelfranco Veneto | 506.21 mi (814.66 km) |
| Duffel to Castellabate | 899.57 mi (1,447.71 km) |
| Duffel to Castellammare del Golfo | 991.18 mi (1,595.15 km) |
| Duffel to Castellammare di Stabia | 862.24 mi (1,387.64 km) |
| Duffel to Castellamonte | 421.45 mi (678.25 km) |
| Duffel to Castellana Grotte | 928.52 mi (1,494.31 km) |
| Duffel to Castellaneta | 935.40 mi (1,505.38 km) |
| Duffel to Castellanza | 428.80 mi (690.09 km) |
| Duffel to Castellarano | 536.45 mi (863.33 km) |
| Duffel to Castelleone | 467.87 mi (752.96 km) |
| Duffel to Castelletto sopra Ticino | 416.97 mi (671.04 km) |
