| Duffel to Calafell | 698.24 mi (1,123.71 km) |
| Duffel to Calahorra | 680.59 mi (1,095.31 km) |
| Duffel to Calasparra | 939.36 mi (1,511.75 km) |
| Duffel to Calatayud | 734.37 mi (1,181.86 km) |
| Duffel to Caldas de Montbuy | 663.55 mi (1,067.88 km) |
| Duffel to Caldas de Reyes | 852.67 mi (1,372.24 km) |
| Duffel to Calella | 661.09 mi (1,063.92 km) |
| Duffel to Callosa de Segura | 934.47 mi (1,503.89 km) |
| Duffel to Calpe | 887.55 mi (1,428.38 km) |
| Duffel to Calvia | 802.83 mi (1,292.03 km) |
| Duffel to Camas | 1,078.41 mi (1,735.54 km) |
| Duffel to Cambados | 863.45 mi (1,389.60 km) |
| Duffel to Cambre | 807.68 mi (1,299.84 km) |
| Duffel to Cambrils | 712.56 mi (1,146.75 km) |
| Duffel to Campo de Criptana | 888.44 mi (1,429.80 km) |
