| Diest to Coin | 1,101.09 mi (1,772.04 km) |
| Diest to Colindres | 657.98 mi (1,058.91 km) |
| Diest to Collado-Villalba | 836.39 mi (1,346.03 km) |
| Diest to Colmenar Viejo | 828.87 mi (1,333.93 km) |
| Diest to Colmenarejo | 841.02 mi (1,353.49 km) |
| Diest to Conil de la Frontera | 1,156.46 mi (1,861.14 km) |
| Diest to Consuegra | 899.32 mi (1,447.32 km) |
| Diest to Corbera de Llobregat | 677.53 mi (1,090.39 km) |
| Diest to Cordoba | 1,024.81 mi (1,649.28 km) |
| Diest to Coria del Rio | 1,092.36 mi (1,757.98 km) |
| Diest to Crevillente | 925.23 mi (1,489.02 km) |
| Diest to Cuarte de Huerva | 708.76 mi (1,140.63 km) |
| Diest to Cubellas | 694.29 mi (1,117.35 km) |
| Diest to Cuellar | 798.05 mi (1,284.33 km) |
| Diest to Cuenca | 830.05 mi (1,335.83 km) |
