| Duffel to Coin | 1,096.80 mi (1,765.12 km) |
| Duffel to Colindres | 649.44 mi (1,045.17 km) |
| Duffel to Collado-Villalba | 830.11 mi (1,335.94 km) |
| Duffel to Colmenar Viejo | 822.90 mi (1,324.33 km) |
| Duffel to Colmenarejo | 834.80 mi (1,343.48 km) |
| Duffel to Conil de la Frontera | 1,150.93 mi (1,852.24 km) |
| Duffel to Consuegra | 894.56 mi (1,439.66 km) |
| Duffel to Corbera de Llobregat | 680.23 mi (1,094.72 km) |
| Duffel to Cordoba | 1,019.72 mi (1,641.08 km) |
| Duffel to Coria del Rio | 1,086.22 mi (1,748.11 km) |
| Duffel to Crevillente | 925.07 mi (1,488.76 km) |
| Duffel to Cuarte de Huerva | 706.28 mi (1,136.65 km) |
| Duffel to Cubellas | 696.61 mi (1,121.08 km) |
| Duffel to Cuellar | 790.62 mi (1,272.39 km) |
| Duffel to Cuenca | 826.85 mi (1,330.69 km) |
